FBI: Orlando gunman had strong indications of radicalization

FBI Director James Comey, right, listens to President Barack Obama, left, speak to members of the media in the Oval Office of the White House in Washington, Monday, June 13, 2016, after meeting with the FBI Director and others. Comey says the gunman in the Orlando nightclub attack that killed 49 people had "strong indications of radicalization" and was likely inspired by foreign terrorist organizations. (AP Photo/Pablo Martinez Monsivais)

WASHINGTON (AP) - The gunman at the Orlando gay nightclub had "strong indications of radicalization" and was likely inspired by foreign terrorist organizations, the FBI director said Monday.

James Comey said the man, who has been identified as 29-year-old Omar Mateen, also spoke with a 911 operator three times during the deadly event. At one point, Comey said, he pledged loyalty on the call to the head of the Islamic State group.

Comey's remarks offered further detail on the shootings that left 49 victims dead and more than 50 hurt, making it the deadliest mass shooting in modern U.S. history. Mateen died in a gun battle with police.

President Barack Obama said Monday the killer was inspired by extremist information over the internet, calling it an apparent example of the "homegrown extremism" that U.S.