The Israeli military has rounded up hundreds of Palestinians across the northern Gaza Strip, separating families and forcing men to strip to their underwear before trucking some to a detention camp on the beach.

“We were treated like cattle, they even wrote numbers on our hands,” said Ibrahim Lubbad, a 30-year-old computer engineer arrested in Beit Lahiya on Dec. 7 with a dozen other family members and held overnight. “We could feel their hatred.”