The Israeli military surrounded one of the last functioning hospitals in northern Gaza, ordering patients and staff to evacuate and remove their clothing, say eyewitnesses, as concern grows for patients and health workers that remain in the facility.

At least 50 people have been killed in an Israeli airstrike targeting a building in the northern Gaza Strip, the Hamas-controlled health authority said late on Thursday. Among the victims were five staff members of a nearby clinic in Beit Lahia,