Beijing, May 19 (Inditop.com) Thirteen students were injured Wednesday when they were attacked by a gang of youths armed with knives in south China’s Hainan Province, authorities said.

Two seriously wounded students were being treated at the Haikou City People’s Hospital, said a hospital spokesman.

Around midnight Tuesday, four students of Hainan Technology and Vocational Institute were attacked outside the school by youths from the nearby villages after a dispute, witnesses said.

Police left after questioning students, they said.

Then at around 2 a.m. Wednesday morning, village youths barged into two dormitories of the institute and slashed nine students.