As Israel withdraws some of its troops from Gaza during a cease-fire there, it has turned attention to another Palestinian territory — in particular a city with a history of militant activity.

Israeli security forces backed by helicopters raided the volatile West Bank city of Jenin on Tuesday, killing at least eight Palestinians in what Prime Minister Benjamin Netanyahu called a "large-scale and significant military operation." Fadi Al-Saadi's brother was killed in the raid. This video contains distressing images.

Gunfire and explosions rocked the occupied West Bank's Jenin area on Wednesday, a Palestinian official and an AFP reporter said, as the Israeli military pressed on for a second day