Intel chief Tulsi Gabbard and CIA Director John Ratcliffe were evasive when pressed at a Senate hearing as to whether the discussion contained classified information.

The hearing unfolded against the backdrop of a security breach involving the mistaken leak of attack plans to a journalist.

The Trump administration's top intelligence officials stressed to Congress the threat they said was posed by international criminal gangs, drug cartels and human smuggling, testifying in a hearing Tuesday that unfolded against the backdrop of a security breach involving the mistaken leak of attack plans to a journalist.