The Palestinian militant group Hamas said it has sent its response to the US proposal for a ceasefire in the Gaza war to Qatari and Egyptian mediators, as Washington insists Israel has already agreed to the three-phase plan. Hamas and the militant group Palestinian Islamic Jihad announced in a joint statement on Tuesday evening that they would “act positively” in order to reach an agreement to end the war. Their response was sent to Qatar and Egypt, the statement said. The exact content of the militants’ response to the mediators was initially not disclosed. The joint statement said that the p…