Three officials acknowledged progress has been made and said the coming days would be critical for ending more than 15 months of fighting that has destabilized the Middle East.

Israel and Hamas agreed to pause the devastating war in the Gaza Strip, mediators announced Wednesday, raising the possibility of winding down the deadliest and most destructive fighting between the bitter enemies.

Liri Albag, Karina Ariev, Danielle Gilboa and Naama Levy are back in Israel after being released by Hamas in return for Palestinian prisoners.