JAKARTA, Sept. 8 (Xinhua) -- A total of 20 people were killed and scores of others wounded after a bus carrying employees of a firm plunged into a ravine in West Java province on Saturday, a local official said.

Daeng Sutikna, senior official at the disaster management agency in Sukabumi district, told Xinhua that six out of the 20 died on the spot and the rest succumbed to injuries on the way to or in hospitals.

The bus, as part of a convoy of four buses carrying the employees of PT Catur Putra Group, was heading to a tourist destination in Cikidang for rafting, he said.

The driver lost control of the vehicle when it was traveling on a Cikidang road at midday and plunged into the 30-meter ravine, police officer at the district police office Hanapi told Xinhua.

The bus departed from Bogor district of the province, he added.

All the victims have been rushed into health clinics and a nearby hospital, the officer said.