The body of Bonnie Weatherall, 31, was found by a colleague lying in a pool of blood with three gunshot wounds in the head, police said.

The killing occurred around 8 a.m. local time, just after Weatherall opened the Unity Center, which houses a chapel and a clinic, in the port city of Sidon.

Police believe an unidentified gunman knocked on the door and shot her with a 7-mm pistol. The killer fled. ...