Four people died Monday after a taxi collided with a truck on a suspension bridge in Shanghai, local authorities said.

The accident occurred at around 2 a.m. on the 7,658-meter-long Yangpu Bridge. Eight people, five in the taxi and three in the truck, were sent to local hospitals, said a spokesman with the municipal traffic police.

Four people in the taxi died after emergency treatment failed. The injured were in a stable condition.

The police were investigating the accident, the spokesman added.