Rep. Anthony Weiner, D-N.Y., held a news conference in New York Monday afternoon. He said he lied last week when he claimed that his Twitter account had been hacked by someone who sent photos of a man's underwear-clad crotch to a young woman in Seattle. At the time, he said he could not say "with certitude" whether the photo was of him.

Updated at 4:52 p.m.: Weiner leaves the press conference after almost a half-hour at the podium.

Updated at 4:50 p.m.: When asked if his behavior was of a predatory nature, Weiner said, "The woman I have been in contact with, they are not uniformly young woman, these people I have had engagements with are not young per se."

Updated at 4:48 p.m.: Asked about the woman he sent the lewd photo to last week, Weiner said, "I had believed we had become friends and that clearly was a mistake and I clearly regret that."

Weiner said he "does not believe he violated any rules or laws."

Updated at 4:45 p.m.: When he told his wife, Weiner said she said she was "unhappy," disappointed and that they would "get through this."

Update at 4:42 p.m.: When asked how he thought this may affect him politically, Weiner said of his constituents, "I will work hard to win back their trust and try to persuade them. I have worked very hard for my constituents ... Nothing about this should reflect on my official duties or on my oath of office ... I certainly used bad judgment here."

Updated at 4:38 p.m.: When asked if he had phone sex with any of the "about six" women, Weiner said that he would not answer because he wants to respect the privacy of the women. He said he has never had sex outside of his marriage.

Updated at 4:37 p.m.: He said some of the communication dated back three years and that his wife knew about it before they were married. He said she did not know until this morning that he lied about sending last week's Twitter photo.

Update at 4:35 p.m.:

"I was embarrassed and I didn't want this to lead to other embarrassing things. It was a dumb thing to do to tell lies about it because it just led to more lies."

Update at 4:34 p.m.:

"The last thing on this day when I've done this harm to my wife and my family is thinking of this or next year's election. The first thing I need to do is make sure this never happens again."

"I'm not blaming anyone. This is my own personal mistake. This is a deep weakness I have demonstrated and for this I apologize."

Updated at 4:32 p.m.: When asked if he would apologize to conservative blogger Andrew Breitbart, he said he is "first and foremost" sorry to his wife. He said the two have no plans to divorce. His wife did not appear at the press conference with him.

Updated at 4:31 p.m.: Weiner says that he had inappropriate communication with mostly women he met on Facebook.

Updated at 4:29 p.m.: "I do not have knowledge of every single communication, but I do not believe I used government resources."

Updated at 4:28 p.m.: Weiner says "To be clear, I am deeply regretting what I have done and I am not resigning."

Updated at 4:26 p.m.: Rep. Weiner says he would like to clear up questions and "take full responsibility for his actions." He says he meant to send the photo as a direct message on Twitter and after it went out publicly, he panicked. He also admits to having inappropriate conversations with women online and on the phone, but says he did not have any physical relationship with these women.

Updated at 4:13 p.m.: In a strange turn of events, Andrew Breitbart, the conservative blogger who published alleged new photos of Weiner Monday, took to the podium at the Sheraton hotel in New York where reporters have been waiting for Weiner to speak. "I'm here for vindication," Brietbart said, saying he was upset about being "accused of being a hacker against a congressman."

Our original post:

Weiner's appearance comes after more photos of the Democratic congressman surfaced Monday on Big Government, a website affiliated with conservative writer Andrew Breitbart. The website said the photos were provided by a woman who said Weiner sent them to her last month.

Last week, Weiner denied sending a lewd photo of a man's crotch to a young woman in Seattle via Twitter, claiming he was the victim of a prankster. But he declined to confirm or deny whether the photo was of him.

Among the photos posted Monday on Big Government is an image of a bare-chested man, flexing his muscles. He is visible only from the nose down and appears to be in an office, with a series of framed photos behind him. In another photo, Weiner is sitting on a sofa with two cats by his side.

Last year, Weiner, 46, married Huma Abedin, a veteran aide to Secretary of State Hillary Rodham Clinton.

Contributing: Fredreka Schouten