MOGADISHU — At least four people were killed Monday when a suicide bomber blew himself up in his car in an attack aimed at a senior police officer in Somalia’s central Galkayo region, police said.

Khalimey Hassan busies herself in her small shop in Salama 2, in Galkayo, Somalia. The 53-year-old mother of six looks over at her daughter Muhubo, 13, as she helps out around the shop. “I moved here ...