Two cargo ships collided in the East China Sea, killing at least eight people, state media reported Monday.

Twelve sailors were rescued while another nine were still missing from the weekend collision, which sank one of the ships, Xinhua News Agency said. Eight bodies were recovered.

The collision occurred off Zhejiang province between a cargo ship from China and a Hong Kong-registered vessel. The Hong Kong ship, with 29 crew aboard, sank immediately.