The controversial Gaza Humanitarian Foundation said, without providing proof, that Hamas had attacked an aid site.

DEIR AL-BALAH, Gaza Strip — Israeli airstrikes killed 14 Palestinians in Gaza and another 10 were killed while seeking food aid, hospital officials in the embattled enclave told The Associated Press on Saturday, as U.S.-led ceasefire efforts appeared to gain momentum after nearly 21 months of war.

In central Gaza, a boy stroked the face of his dead sister, 6-year-old Heba Abu Etiwi, in a morgue at Al-Aqsa Martyrs’ Hospital. The girl and another of her brothers were among eight people killed when a strike Wednesday evening hit near a stand selling falafel.