By James Mackenzie, Maayan Lubell and Alexander Cornwell JERUSALEM (Reuters) - Prime Minister Benjamin Netanyahu vowed revenge on Hamas on Thursday after the group released what it said were the bodies of four Israeli hostages,

The remains were said to be of Shiri Bibas and her two children, Ariel and Kfir, as well as Oded Lifshitz, who was 83 when he was abducted. Kfir, who was 9 months old when he was taken, was the youngest captive. Hamas has said all four were killed along with their guards in Israeli airstrikes.