JAKARTA, Indonesia (AP) — A passenger bus crash killed at least 15 people on Indonesia’s main island of Java just after midnight Monday, officials said.

The bus carrying 34 people lost control on a toll road and struck a concrete barrier before rolling onto its side, said Budiono, a search and rescue agency chief who goes by single name like many Indonesians.

The inter-province bus was traveling from the capital Jakarta to the country’s ancient royal city of Yogyakarta when it overturned, he said.