A group of royalists had a skirmish with student protesters rallying at the university, and some students were injured when some members of the yellow-shirt group threw a big speaker at them. 
The clash was quickly defused by officers at the scene. 
Police have said that so far they have not been able to identify the offenders, and will summon the injured persons to point out the attackers. 
Members of the Ramkhamhaeng Network for Democracy group were scheduled to file a complaint with Huamark Police Station on Thursday afternoon.

Police hunt for yellow shirts who hurt Ramkhamhaeng University protesters

Huamark Police Station has launched a manhunt for the yellow-shirt royalists who injured student protesters at Ramkhamhaeng University’s Huamark campus on Wednesday.