The death toll from a recent shipwreck in south China has risen to 20 as six missing people were confirmed dead, local authorities said. The passenger ship sank in the Xunjiang River after colliding with a cargo ship in the city of Guiping in Guangxi Zhuang Autonomous Region. Initially a total of 14 passengers were found dead and six were missing. Further search efforts discovered the bodies of all those six people, the Guiping city government said in a statement. Thirty people, including two crew members, survived the shipwreck. According to a preliminary investigation, the cargo ship was blamed for the accident. It was traveling outside of the river's designated shipping lane when it collided with the passenger vessel.