By Alexander Cornwell and Nidal al-Mughrabi TEL AVIV/CAIRO (Reuters) -At least 15 Palestinians were killed overnight in an Israeli airstrike in Gaza, according to local health officials, as U.S. President Donald Trump said he expected Hamas to respond to his "final proposal" for a ceasefire in Gaza in the next 24 hours.

Trump says Israel has agreed to conditions for a Gaza ceasefire and he's urging Hamas to back it, but neither side has committed to anything yet.

U.S. President Donald Trump says Israel has agreed on terms for a new 60-day ceasefire with Hamas and that Washington would work with both sides during that time to try to end more than 20 months of w