Associated Press Twitter hacked, no explosions at White House

The Associated Press had its Twitter account hacked Tuesday afternoon, during which the hackers sent a message implying that explosions had rocked the White House.

The tweet was sent by the purported hackers just after 1 p.m.

Very shortly after that message was sent, a Washington-based Associated Press reporter refuted the tweet, saying that it was a hack.

Please Ignore AP Tweet on explosions, we've been hacked.

— Sam Hananel (@SamHananelAP) April 23, 2013

Shortly thereafter, the Associated Press on its other Twitter feeds, along with other outlets, played down the hack. The AP's Twitter was also temporarily suspended.

Advisory: @ap Twitter account has been hacked. Tweet about an attack at the White House is false. We will advise more as soon as possible.

— AP CorpComm (@AP_CorpComm) April 23, 2013

The AP Twitter feed was hacked today. The tweet about explosions at White House and President injured is false.

— West Wing Reports (@WestWingReport) April 23, 2013

All: The main @ap Twitter account has been hacked, The tweets coming out of there are false. We are working to correct the problem.

— AP Politics (@AP_Politics) April 23, 2013

The hack is the latest black eye to the worldwide news organization. In a memo to its staff released on Jim Romanesko's website, top officials with the AP acknowledged they broke their own rules against single-sourcing last Wednesday when they reported that a suspect had been arrested in connection with the Boston Marathon bombings.

AP spokesman Paul Colford said the news cooperative is working with Twitter to investigate the issue.

White House spokesman Jay Carney said the President is fine. "I was just with him," Carney said at a news briefing.

The hack also sent immediate shockwaves through the New York Stock Exchange. Almost immediately after the hacked tweet was sent by @AP, the Dow Jones plunged by more than 150 points. It quickly recovered once the hack was exposed.