Israeli strikes across Gaza kill dozens of Palestinians, even in largely emptied north

A wounded Palestinian girl is helped after an Israeli strike Thursday on Al Zawayda, central Gaza Strip. (AP Photo/Mohammed Asad)

DEIR AL-BALAH, Gaza Strip — Israeli forces bombarded cities, towns and refugee camps across Gaza on Thursday, killing dozens of people in a widening air and ground offensive against Hamas that has forced thousands more to flee from homes and shelters in recent days.