A "
trapped drone
" crashed early on Saturday at an Iraqi air base housing Americans, the Iraqi military said, a modus operandi already used by pro-Iran factions in Iraq and elsewhere in the Middle East.
Read also: Two new rockets were fired at a base housing Americans in Iraq, the third such attack in 72 hours
The anti-jihadist coalition led by Washington in Iraq specified that the attack - the fourth in less than a week - had caused "
no casualties
" but that "
a hangar was damaged
".