At least 24 people were killed and 16 others seriously injured as a passenger bus carrying 40 passengers plunged into a ravine in Indonesia’s South Sumatra province on Monday night, a disaster official said on Tuesday.

The accident occured at 23:15 p.m. Jakarta time Monday night in Perahu Dipo village of Pagaralam district, said Nopriyaddin, head of the data and information center of the provincial disaster management agency, reports Xinhua.

“The latest information we got is that 24 people are dead with the rest suffering serious injuries. The bus was carrying 40 people,” he told Xinhua by phone from the province.

All the victims have been rushed into the nearby Basemah Hospital in the district, the official said.

Nopriyaddin said that the number of the dead could rise as many of the passengers are seriously injuried.