Israel is facing growing international pressure as aid distribution efforts in Gaza devolved into chaos during the first days of a controversial new mechanism backed by the United States and Israel.

MughrabiUNITED NATIONS/CAIRO (Reuters) -The U.S.-backed group distributing aid in Gaza opened a third site on Thursday and said more would open in coming weeks as the arrival of thousands of Palestinians seeking desperately needed supplies has tested the capacity of the new system.

Palestinian health officials in Gaza say Israeli strikes have killed at least 13 people overnight. Meanwhile, Palestinians described more scenes of chaos on Thursday at an aid distribution hub established by a new Israeli and U.