Hamas said on Friday it had agreed to free an American-Israeli dual national if Israel begins a phase of ceasefire talks towards a permanent end to the war, but Israel dismissed the offer as "psychological warfare".

Hamas says it has accepted a proposal from mediators to release one living American-Israeli hostage and the bodies of four dual-nationals, hostages who had died in captivity.

The United States has put forward a new proposal that would secure the release of a handful of living hostages held by Hamas in exchange for a month-long extension of the Israel-Hamas ceasefire, a source familiar with the negotiations said.