Hamas' military wing has confirmed the assassination of Chief of Staff Mohammed Deif, months after Israel said it killed him in Gaza during a summer airstrike.

Hamas's armed wing Al-Qassam Brigades spokesman Abu Obaida confirmed on Thursday that Mohammed Deif, the head of the armed wing, was killed in a July airstrike on a building in southern Gaza’s Khan Younis.

Hamas has confirmed that its military chief, Mohammed Deif, was killed in an Israeli air strike in the Gaza Strip last year. Israel's military said in August that it had killed Deif the previous month,

When Hamas’ military wing, the Qassam Brigades, released its propaganda video of three Israeli hostages being released Sunday night, there was a striking detail.

Hamas is set to free three more Israeli hostages as well as five Thai captives, and Israel is to release another 110 Palestinian prisoners

The increasingly theatrical and threatening events have angered Israel and put a cease-fire deal at risk.