NEAR ALLENBY BRIDGE CROSSING, West Bank — A gunman crossing from Jordan killed three Israeli civilians at the Allenby Bridge border in the occupied West Bank before security forces shot him dead on Sunday, Israeli authorities said.

It was the first attack of its kind along the border with Jordan since Palestinian Islamist group Hamas carried out an assault on southern Israel on Oct. 7, sparking the war in Gaza that has ratcheted up tensions across the region.

The attack took place in a…