Israeli Prime Minister Benjamin Netanyahu accused Hamas of backtracking on parts of a Gaza ceasefire deal Thursday and said his Cabinet would not meet to give necessary approval to the agreement until the militant group accepts all of the elements. A statement from Netanyahu’s office said Hamas was trying to “extort last minute concessions.” The multiphase ceasefire, announced Wednesday after months of negotiations, was due to go into effect Sunday if fully approved. Palestinian medics said Israeli forces carried out multiple deadly airstrikes Thursday in the Gaza Strip. U.N. agencies said they were ready to surge humanitarian aid into Gaza