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.

At least 15 Palestinians have been killed overnight in an Israeli airstrike in Gaza, according to local health officials, as US President Donald Trump said he expected Hamas to respond to his "final proposal" for a ceasefire in Gaza in the next 24 hours.

Hamas says it is consulting other Palestinian groups before giving a formal response to the latest proposal for a new Gaza ceasefire and hostage release deal proposed by the US.