Israeli firing and airstrikes killed at least 45 Palestinians across the Gaza Strip, many of them near an aid distribution site operated by the U.S.-backed Gaza Humanitarian Foundation on Saturday, local health authorities said.

Multiple aid workers were killed after a bus was attacked in Gaza on Wednesday night, according to a US-backed humanitarian aid organization which accused Hamas of carrying out the assault.

Gaza's Hamas-run police force said it killed 12 members of an Israeli-backed militia after detaining them early Thursday. Hours earlier, an Israeli- and U.S.