Israeli forces killed at least 19 Palestinians in the Gaza Strip on Wednesday, including a rescue worker, health officials said, as troops deepened an incursion along the territory’s northern edge, bombarding a hospital and blowing up homes. Medics said at least 12 people were killed in an Israeli strike on a house in the area of Jabalia in northern Gaza earlier on Wednesday, and at least 10 people remained missing as rescue operations continued. Another man was killed in tank shelling nearby, they said. Hussam Abu Safiya, director of Kamal Adwan Hospital in Beit Lahiya, one of three medical facilities barely operational in the besieged northern area, said the hospital “was bombed across all its departments without warning, as we were trying to save an injured person in the intensive care unit” on Tuesday. “Following the arrest of 45 members of the medical and surgical staff and the denial of entry to a replacement team, we are now losing wounded