Dozens of people have been killed in China in the past three months in a series of mass attacks using vehicles or knives.

Earlier this week, a 62-year-old man killed 35 people and wounded more than 40 more when he rammed his small SUV into a crowd in the southern city of Zhuhai. The suspect was discovered in the car with a knife, with wounds to his neck thought to be self-harm injuries, according to the police.

Police say a 21-year-old student went on a stabbing rampage in China's eastern city of Yixing, leaving at least 8 people dead and 17 wounded.