`` These criminals rely on the anonymity of hiding in a larger group of the curious and the naive , '' he said . NEW : At least 253 people arrested Sunday . NEW : Canadian PM : We deplore actions of thugs . Posted at 12:35 AM ET on Dec 19, 2014 Police have arrested more than 600 protesters since mid-June .
NEW : At least 253 people arrested Sunday . NEW : Canadian PM : We deplore actions of thugs . Posted at 12:35 AM ET on Dec 19, 2014 Police have arrested more than 600 protesters since mid-June .