KUALA LUMPUR, May 13 (Xinhua) -- Nine police personnel belonging to the Federal Reserve Unit, which specializes in riot control, were killed in an accident on Tuesday, authorities said.

The nine police officers were killed on the spot and two others injured when the truck transporting them collided with a lorry in the state of Perak, Hilir Perak police chief Bakri Zainal Abidin said in a statement following the early morning crash.

The accident sparked a wave of condolences from the public, with Prime Minister Anwar Ibrahim joining other Malaysians in expressing his sympathy to the families of the diseased.

Anwar also called on the authorities to carry out a thorough investigation into the fatal accident and ensure that compensation is provided to the families of the victims. ■