More than 90 people including 20 children were killed in an Israeli airstrike on a residential building in Gaza early Tuesday, local officials said, the deadliest attack in months as it wages a renewed assault on the north of the Palestinian enclave.

It came hours after the Israeli parliament outlawed a key United Nations aid agency in a move that could throttle the supply of medicine, food and education in the devastated territory.

Meanwhile, in Lebanon, the Iran-backed militant group…