Obama goes on tirade against Trump over 'dangerous' Muslim ban, 'radical Islam'

President Barack Obama lit into Donald Trump Tuesday, turning the tables to make the impassioned case that Trump is the one who's un-American.

Source: Orlando gunman told wife of interest in a terror attack

The wife of Orlando nightclub shooter told the FBI that Omar Mir Seddique Mateen said he wanted to carry out a jihadist attack, though she denied knowledge of his plans to launch the deadliest mass shooting in U.S. history, a law enforcement official told CNN on Tuesday.

Clinton, Sanders meet; Clinton wins D.C. primary

Hillary Clinton and Bernie Sanders met privately at the Capital Hilton in Washington on Tuesday evening, just after Clinton won the final contest on the Democratic calendar in the District of Columbia.

Witness: Orlando shooter laughed during rampage

Norman Casiano crawled into a bathroom and wedged himself into a stall, crammed with at least a dozen people. They were hiding, crying and saying prayers under their breath.

Orlando shooting: What motivated a killer?

While the bodies of Omar Mateen's victims were removed from Pulse nightclub overnight, investigators worked Monday to determine what motivated the Florida killer responsible for the worst mass shooting in U.S. history -- a man the FBI knew was sympathetic to terrorism and had previously investigated.

Microsoft to buy LinkedIn for $26 billion

In one of the biggest tech mergers of all time, Microsoft said Monday that it's buying LinkedIn in a deal valued at $26.2 billion.

Trump stretches facts in fiery post-Orlando speech

Donald Trump responded Monday to the worst terror attack since 9/11 with a no-holds-barred attack on Muslims and Hillary Clinton that played loose with the facts and was rife with inflammatory rhetoric.

Second Canadian in Philippines executed by Abu Sayyaf militants

A Canadian national has been beheaded in the Philippines by Islamist militant group Abu Sayyaf after a ransom payment deadline passed, the Philippines government confirmed Tuesday.

Citing Orlando shootings, Rubio opens door to Senate run

Sen. Marco Rubio seemed to open the door to running for re-election Monday, when asked whether the Orlando nightclub shootings had changed his decision not to seek another term.

Orlando shooting: 50 killed, shooter pledged ISIS allegiance

An American-born man who'd pledged allegiance to ISIS gunned down 50 people early Sunday at a gay nightclub in Orlando, the deadliest mass shooting in the United States and the nation's worst terror attack since 9/11, authorities said.