Urgent: FBI chief Comey says concealing Clinton's newly-found emails would be "catastrophic"

WASHINGTON, May 3 (Xinhua) -- FBI director James Comey on Wednesday defended his decision to announce new probe into then Democratic presidential candidate Hillary Clinton's newly-found emails before 2016 U.S. elections, saying he was facing a hard choice of "really bad or catastrophic" actions and he couldn't conceal. Enditem