Washington: The United States will ask the United Nations Security Council on Friday to back its resolution calling for an immediate ceasefire in the war-torn Gaza Strip and a hostage deal between Israel and Hamas, increasing pressure on the former to allow more humanitarian aid and better protect civilians. Strong differences have emerged between the US and its closest ally Israel over the devastating war that has killed over 31,000 Palestinians.Washington: The United States will ask the United Nations Security Council on Friday to back its resolution calling for an immediate ceasefire in the war-torn Gaza Strip and a hostage deal between Israel and Hamas, increasing pressure on the former to allow more humanitarian aid and better protect civilians. Strong differences have emerged between the US and its closest ally Israel over the devastating war that has killed over 31,000 Palestinians.