MANILA, March 26 (Xinhua) -- At least four people have been killed and 23 others injured in a grenade explosion in Jolo, the largest of the Sulu islands in southern Philippines, the Philippine military said Sunday.
Col. Cirilito Sobejana, the commanded of Joint Task Force Sulu, said a suspect threw a grenade into a bakeshop in Jolo around 7 p.m. Saturday night that instantly killed three people and hurt more than 20 others.
He said one of the severely wounded victims died Sunday morning at a local hospital, where most of the injured were being treated.
"The suspect was arrested and now in police custody," Sobejana said.
Local police were still investigating the incident.