That's correct.Toronto Police has no official authority in this matter and there is no such need.However,CBSA regularly collaborates with RCMP on arrests & detentions & removals of foreign nationals from Canada, particularly individuals with Canada wide arrest warrants,so contacting RCMP Toronto may be helpful,they may have direct contact no for CBSA.How can Toronto Police help him board a plane in Warsaw? What do they have to do with immigration?