Beijing, July 2 (IANS) At least two security guards were killed and another was badly injured Monday in southwest China while trying to prevent a knife-wielding man from entering a college, said police.

The man, surnamed Xu, tried to enter Guizhou Normal University in Guizhou province Monday afternoon. As the security guards tried to stop him, a fight broke out. It left the guards with grave injuries. Two of them died at the hospital, Xinhua reported police as saying.
Police later detained Xu, who works at a college in the province.