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Special Agent Rick DesLauriers of the FBI, who is leading the investigation of the Boston Marathon bombings, just held a press conference in which he revealed that there are two suspects. The FBI released photographs and video of two men believed to be responsible for the attacks.

2:45 p.m. (EST): The Boston Police Department has announced that "there has not been an arrest in the Marathon attack." Investigations are ongoing. 2:35 p.m.: CNN is retracting their previous report that an arrest has been made in the Boston Marathon bombings. Other sources are reporting that officials are close to identifying a suspect after reviewing area surveillance video, but no arr

9 p.m. (EST): The final press conference of the day with Massachusetts Governor Deval Patrick, Boston Police Commissioner Ed Davis and various other officials just concluded. The FBI is now leading investigations of the events. Davis confirmed that three people were killed in today's blasts. CNN is reporting that one of the victims killed was an 8-year-old boy. The Wall Street Journal had reported

The San Francisco 49ers rallied past the Atlanta Falcons for the NFC title, and the Baltimore Ravens upset the New England Patriots for the AFC crown. San Francisco and Baltimore, coached by brothers Jim and John Harbaugh respectively, will meet in Super Bowl XLVII on Feb. 3 in New Orleans. Here's a recap of Sunday's conference title games:

NOTE: This post will be continually updated as new information comes in. Video and photos are below. All times Eastern. UPDATE 6:30 p.m.: Originally it was thought that Adam Lanza, the gunman, shot his mother at the Sandy Hook Elementary school, where she was a teacher's aide. ABC has learned that, in fact, Nancy Lanza was killed at her home (by her son) prior to the massacre. He then drove to the

Tom Brady threw for 296 yards and four touchdowns, and the New England Patriots beat the Houston Texans, 42-14, in Foxborough, Mass. on Monday night.

The Falcons intercepted Drew Brees five times, and Atlanta beat the New Orleans Saints, 23-13, in Atlanta on Thursday night.

Several teams solidified their division leads in Week 12 of the 2012 NFL season. Here's a recap of this week's games:

A disputed call and two huge quarters helped decide the three NFL games held on Thanksgiving Day. Here's a recap of the day's action:

Buffalo took advantage of three Miami turnovers, and the Bills beat the Dolphins, 19-14, in Buffalo on Thursday night. Buffalo (4-6) jumped out to a 19-7 halftime lead, thanks to four field goals from Rian Lindell and Leodis McKelvin's 79-yard, first-quarter punt return for a score.