MOSCOW, March 9 (Xinhua) -- Four people were killed and five others injured after a minibus crashed into a truck in Russia's far eastern region of Yakutia on Friday.

The minibus was carrying 12 people when it hit a truck that parked on a federal highway, RIA Novosti news agency reported, citing a source in the local emergency service.

"At first, there were only nine people injured. Unfortunately, four of them died," the source said.

The cause of the accident is being investigated.