White House: Iran retaliation for Soleimani killing would be poor decision

White House national security adviser Robert O'Brien said on Friday that any Iranian retaliation in response to the U.S. killing of Iranian military commander Qassem Soleimani would be a "very poor decision."

O'Brien, briefing reporters on the U.S. operation in a conference call, said Soleimani was struck while traveling around the Middle East planning attacks against American military personnel and diplomats in the region.