The new group backed by Israel and the US for aid distribution in Gaza says Hamas attacked a bus transporting some of its Palestinian workers, killing at least five people.The Gaza Humanitarian Foundation (GHF) said the attack happened on Wednesday night as the bus carrying more than two-dozen workers travelled to a distribution centre in southern Gaza,

Hamas killed eight Gaza Humanitarian Foundation workers and injured several others in what the group says was an "unprovoked" attack. GHF fears some of those who were attacked may have been taken hostage.

Hamas gunmen allegedly opened fire on Palestinians working for an Israel-U.S.-backed humanitarian aid distribution operation, killing five and injuring several others.

The controversial aid organization said at least five of its Palestinian volunteer workers were killed in an attack it blamed on Hamas militants.