France rejects US criticism
The spat is the latest sign of tensions among NATO allies in their campaign to oust Colonel Muammar Gaddafi, with Britain, France and others rejecting an Italian call earlier this week for a suspension of hostilities to allow humanitarian aid access.
It broke out as President Barack Obama faces domestic pressure over US involvement in the war, with the House of Representatives due to vote soon on a proposal to cut off funds for US hostilities in Libya.