Mataram – A bomb exploded at multinational mining company PT Newmont Nusa Tenggara [NNT] on Friday. The bomb blast, which occurred at around 3.15 am, shattered the backside walls of the company and could be heard three kilometers away from the location. There has been no immediate report on whether there are any casualties.

The Jakarta Post quoted the company's spokesperson as saying the police have been investigating the case and Newmont has told its 54 employees to stay home until the police declared the office safe for them to resume activities. She said the company's copper and gold mining operation in the Batu Hijau area on the island of Sumbawa ran normally despite the incident.

Newmont Nusa Tenggara is a joint company between Newmont Indonesia Limited of the US, Nusa Tenggara Mining Corporation of Japan and local firm PT Pukuafu Indah.