[Update 7 p.m. Cairo, noon ET] The army is not deliberately allowing the violence to continue, Egypt's finance minister says, it's been ordered not to hurt anyone.
[Update 6:55 p.m. Cairo, 11:55 a.m. ET] Numerous gasoline bombs were hurled on a street alongside Tahrir Square, starting small fires that were put out by military water cannon:
[Update 6:15 p.m. Cairo, 11:15 a.m. ET] A CNN journalist in Alexandria said pro-Mubarak demonstrators in Sidi Jaber Square left after a rally near the railway station, leaving only anti-Mubarak demonstrators still camping there. Journalists saw a small pro-Mubarak crowd demonstrating near Saad Zaghloul plaza with banners that said, "Yes, yes Mubarak" and "Where is the media to hear our voice?"
[Update 6:03 p.m. Cairo, 11:03 a.m. ET] CNN iReporter farahk8 sent in photos from among the Tahrir Square crowd during Tuesday's demonstrations. See them here.
[Update 5:56 p.m. Cairo, 10:56 a.m. ET] Video of the chaos in Tahrir Square from street level:
[Update 5:50 p.m. Cairo, 10:50 p.m. ET] CNN's Ivan Watson says opposition demonstrators inside Tahrir Square are surrounded by pro-Mubarak groups and fear a bloodbath after nightfall.
CNN's Ben Wedeman tweeted: "The only way out of Tahrir is thru army lines to the right of the mosque next to the Mogamaa." (The Mogamaa is a building that houses the Interior Ministry.) "People in Tahrir square begging Obama to intervene. They are terrified a bloodbath is about to occur."
[Update 5:35 p.m. Cairo, 10:35 a.m. ET] As darkness falls on Cairo, some faithful Muslims fall to their knees for evening prayers. Small fires from gasoline bombs, also known as Molotov cocktails, are quickly extinguished near the Egyptian Museum.
[Update 5:32 p.m. Cairo, 10:32 a.m. ET] CNN's Ben Wedeman, who was roughed up near Tahrir Square, tweeted: "I was not injured. Harassed? Yes. Appears the pro-government "demonstrators" have been given instructions to target press."
[Update 5:25 p.m. Cairo, 10:25 a.m. ET] CNN's Ivan Watson describes clashes taking place in front of the Egyptian Museum, home of Egypt's most precious antiquities, and how the military has been staying on the sidelines. Meanwhile, demonstrators dig up bricks from a construction site to use as weapons.
[Update 5:16 p.m. Cairo, 10:16 a.m. ET] White House spokesman Robert Gibbs told CNN, "We continue to watch the events very closely, and it underscores that the transition needs to begin now." Pressed on whether the administration is pulling further away from President Hosni Mubarak, Gibbs would only say that President Obama and other officials have made clear in recent days there needs to be "real change" in Egypt.
U.S. State Department spokesman P.J. Crowley tweeted: "We are concerned about detentions and attacks on news media in #Egypt. The civil society that Egypt wants to build includes a free press."
[Update 5:05 p.m. Cairo, 10:05 a.m. ET] Here is a video summary of the day's events in Egypt so far.
[Update 4:59 p.m. Cairo, 9:59 a.m. ET] CNN iReporter Marianamin is an American living in a suburb an hour north of Cairo. She says her friends and neighbors "don't know who they want in, but they just know they want Mubarak out. ... Their thinking is he had 30 years to make changes. Even though he's done a lot of good for business ... for a lot of average Egyptians, he's just let them down." See marianamin's photo and description of her experience.
[Update 4:50 p.m. Cairo, 9:50 p.m.] Anderson Cooper witnessed a huge crowd of Mubarak supporters surge across a no-man's land dividing them from the anti-Mubarak crowd and overturn a military vehicle on the street as a huge roar went up. A large cloud of smoke arose at the east entrance to Tahrir Square, Anderson said.
[Update 4:38 p.m. Cairo, 9:38 a.m. ET] Tear gas was fired near the entrance to Cairo's Tahrir Square on Wednesday, according to CNN journalists who are there.
According to the latest information obtained by the United States, the Egyptian government wants to use police to quell the demonstrations in the capital, a senior U.S. official said. "That may be why you do not see the Army reacting," the official said.
The source also said that, at this point, the violence is largely limited to central Cairo and has not spread to other parts of the country. The official said the major issue for the United States is to try to achieve some measure of stability in Egypt.
[Update 4:30 p.m. Cairo, 9:30 a.m. ET] Here is some of the top video from the past hour in Egypt. Check back each hour for the latest video.
CNN's Ivan Watson describes the rapidly changing scene:
Men on horseback charge into Tahrir Square:
Protesters bloodied in clashes:
Crowd turns violent
CNN's Ben Wedeman sees "utter chaos":
[Update 4:23 p.m. Cairo, 9:23 a.m. ET] Some members of the Egyptian Army were believed to be entering Tahrir Square. Military vehicles were separating pro- and anti-Mubarak demonstrators, and several gasoline bombs had been tossed, CNN's Anderson Cooper said.
The sound of gunfire was heard in Tahrir Square, CNN's Fred Pleitgen said on Twitter. The square has been surrounded by pro-Mubarak demonstrators who have blocked in anti-government demonstrators and others at the site, CNN's Ben Wedeman said.
[Update 3:58 p.m. Cairo, 8:58 a.m. ET] The United States believes that the Egyptian police are returning to the streets in Cairo and will be the first responders to the violence that has erupted, rather than the Egyptian army, a senior U.S. official with direct knowledge of the unfolding situation in Egypt told CNN Wednesday. "We are seeing preliminary indications the police are coming back in," the official said, stressing that the situation remains highly volatile and uncertain.
[Update 3:51 p.m. Cairo, 8:51 a.m. ET] Men with rocks in their hands lined a metal wall and pounded out a rhythm. CNN's Ivan Watson said this appeared to be a show of support for rock-throwers on the front lines as pro- and anti-Mubarak sides faced off. Injured men were carried to a makeshift clinic on Tahrir Square.
CNN's Ben Wedeman said he overheard a panicked army officer say the situation was out of control and there was nothing the army could do to restore order.
[Update 3:42 p.m. Cairo, 8:42 a.m. ET] CNN's Anderson Cooper said he and his production crew were attacked by pro-Mubarak demonstrators earlier Wednesday. The attackers pushed and shoved the CNN crew and punched them in the head, he said, but no one was seriously hurt.
[Update 3:36 p.m. Cairo, 8:36 a.m. ET] A crew of men were seen on video using tools to break up pavement near Tahrir Square, while others carried loads of rocks, presumably to be thrown at the opposing demonstrators. It wasn't known which side they supported.
[Update 3:17 p.m. Cairo, 8:17 a.m. ET] As hundreds of men lined up to kneel and pray in the street, a crowd less than 100 feet away could be seen surrounding and beating a man.
[Update 2:58 p.m. Cairo, 7:58 a.m. ET] Men on horseback and camels charged into the crowd at Cairo's Tahrir Square, some of them lashing people on the ground with whips. Several were pulled off their animals and beaten, and the others retreated. CNN's Ivan Watson said the horseback riders came from the pro-Mubarak side of the demonstration.
[Update 2:49 p.m. Cairo, 7:49 a.m. ET] The stone-throwing and fighting at Tahrir Square have suddenly stopped and people are hugging and chanting "We are one," CNN's Ivan Watson reports from his vantage point.
[Update 2:46 p.m. Cairo, 7:46 a.m. ET] CNN's Amir Ahmed said he has seen people with blood flowing from their heads after being injured by rocks. The clashes appear to be spreading to streets near the square, he said.
[Update 2:32 p.m. Cairo, 7:32 ET] Demonstrators for and against President Hosni Mubarak are throwing rocks at each other on Tahrir Square, CNN's Ben Wedeman reports. Police are absent from the square and military personnel are hanging back, he says.
[Update 2:19 p.m. Cairo, 7:19 a.m. ET] Competing rallies were being held Wednesday in Alexandria, Egypt, with several thousand people protesting against President Hosni Mubarak and a few hundred others supporting him, CNN Correspondent Nic Robertson reported.
In Cairo, Mubarak supporters broke through a barricade that had separated them from anti-government protesters in Tahrir Square. The military surrounded the square but there was nothing between the two sides to keep them apart.
[Update 12:37 p.m. Wednesday in Cairo, 5:37 a.m. ET Wednesday]The U.S. State Department "ordered departure" evacuation starts Wednesday with chartered planes planned to start flying out nonemergency personnel, their relatives and any American citizens who wish to evacuate.
Internet access is back in at least parts of Egypt, CNN has confirmed
[Update 11:51 a.m. Wednesday in Cairo, 4:51 a.m. ET Wednesday] The Egyptian defense ministry on Wednesday urged the youth to go back home, saying "your message is received ... your demands became known."
"And we are here and awake to protect the country for you," a spokesman for the ministry said in a television broadcast. "Not by power but by the love to Egypt ... it is time to go back to normal life."
[Update 11:28 a.m. Wednesday in Cairo, 4:28 a.m. ET Wednesday] Yemeni President Ali Abdullah Saleh said Wednesday he will not run for president nor hand over power to his son once his term ends in 2013. "No extension, no inheritance," he told parliament.
In recent weeks, thousands have taken to the streets in Yemen demanding the the kind of change that Egypt wants. Saleh has been in office for 32 years.
[Update 9:19 a.m. Wednesday in Cairo, 2:19 a.m. ET Wednesday] Shortly after sunrise Wednesday, Cairo's Tahrir Square was already packed with demonstrators - including families staying in tents with children.
Some demonstrators chanted in favor of Mubarak early Wednesday, calling the press "traitors" and "agents."
Australian Prime Minister Julia Gillard said the government would provide an emergency flight for Australians affected by the unrest in Egypt. The flight will depart Cairo on Wednesday, according to a statement from her
office.
British carrier BMI says it has organized an extra flight to help British nationals get back to the United Kingdom from Egypt.
The British Foreign Office is sending a charter flight to Cairo on Wednesday to fly back British citizens with no other way to get home, the office said.
Egypt's national airline, EgyptAir, canceled flights until 10 a.m. Wednesday (3 a.m. ET), according to state television.
Greece has sent military aircraft to evacuate 215 Greeks from Egypt, the official Athens News Agency said.
