LUCKNOW, India (AP) — A passenger bus veered off the road and plunged into a deep gorge in northern India on Monday, killing at least 15 people and injuring more than 25 others, officials said.

The accident took place in the Almora district of the mountainous state of Uttarakhand. The bus was carrying more than 40 people and 15 bodies have been recovered so far, said Vineet Pal, a state government official.

Teams of rescue and rescue workers have been deployed to the scene, and authorities are warning that the death toll could rise as they work to rescue passengers who may still be trapped inside.