Banda Aceh – Six more bodies have been found at separate locations in the troubled Indonesian province of Aceh, as a handgrenade exploded in the office of the North Aceh district chief, injuring four people, police and residents said Friday.

The grenade was tossed into the district chief's office in Lhokseumawe, the main town of North Aceh district on Thursday, North Aceh district police chief Lieutenant Colonel Syafei Aksal said. Aksal said four people were injured in the blast and the assailants, two men who were known to the police, had escaped.

Meanwhile, the body of a security guard of a local state paper factory in North Aceh was found in Muara Batu sub-district late on Thursday while the decomposed bodies of two unidentified men were also found in Blang Mangat sub-district on the same day, residents said.

Aksal confirmed the finding of the three bodies but he said the identities of the victims and the circumstances of their deaths remained unknown.

On Tuesday, villagers in Pegasing, Central Aceh, found the body of an unidentified man on the side of a road in the Burlintang area. On the previous day, the bodies of two men with gaping throat slash wounds were found near a market in Bandar subdistrict.

Central Aceh police district chief, Lieutenant Colonel Misik Natari confirmed the finding of the three bodies in Central Aceh and although their identity remained unknown, all were believed to be civilians.

Although the assailants and the cause death were unknown, residents believed the six men had been killed in violence by security personnel and separatist rebels from the Aceh Merdeka Movement.