An Israeli air strike killed four Palestinians in Gaza, the territory's civil emergency service said, as Arab mediators and the United States tried to hammer out differences between Hamas and Israel over a January 19 ceasefire agreement.

The attacks were the latest Israeli violations of the ceasefire and prisoner exchange agreement that took hold in Gaza in January, halting Israel’s brutal war, which has killed over 48,500 Palestinians, most of them women and children, and left the enclave in ruins.

Israeli fire has killed four people and wounded 14 in the Gaza Strip over the past 24 hours even as a fragile ceasefire with Hamas has largely held