Flashpoints

A weekend drone attack on Saudi Arabia that cut into global energy supplies and halved the kingdom’s oil production threatened Sunday to fuel a regional crisis, as the U.S. released new evidence to back up its allegation that Iran was responsible for the assault amid heightened tensions over Tehran’s collapsing nuclear deal.

The White House announced Saturday that Hamza bin Laden , the son of the late al-Qaida leader who had become an increasingly prominent figure in the terrorist organization, was killed in a U.S. counterterrorism operation in the Afghanistan-Pakistan region.