An Israeli airstrike in Gaza kills 3 sons and 4 grandchildren of Hamas top leader | KLRT [Video]

TEL AVIV, Israel (AP) — Israeli aircraft killed three sons of Hamas’ top political leader in the Gaza Strip on Wednesday, striking high-stakes targets at a time when Israel is holding delicate cease-fire negotiations with the militant group. Hamas said four of the leader’s grandchildren were also killed.

Ismail Haniyeh ’s sons are among the highest-profile figures to be killed in the war so far. Israel said they were Hamas operatives, and Haniyeh accused Israel of acting in “the spirit of revenge and murder.”

The deaths threatened to strain the internationally mediated cease-fire talks, which appeared to gain steam in recent days even as the sides remain far apart on key issues.

The slayings also come as Israel is under intensifying pressure — increasingly from its top ally, the U.S. — to change tack in the war, especially when it comes to humanitarian aid for desperate people in Gaza.

Haniyeh …