Police sign posted at the site of Sunday riot in Little India

(from Newzzit; the original story is here http://newzzit.com/stories/police-sign-posted-at-the-site-of-sunday-riot-in-little-india)

A call: Surprisingly, in an incident involving 400 rioters and about 300 police personnel, and as much as 27 arrests, the police is still calling for witnesses.