A man comforts his girlfriend as police officers close in on a crowd of G20 protesters, making individual arrests in downtown Toronto June 27, 2010. Police in Toronto fired tear gas on protesters for a second straight day on Monday as new violence surrounding the G20 summit erupted and the arrest tally climbed toward 600. REUTERS/Christinne Muschi (CANADA - Tags: POLITICS CIVIL UNREST IMAGES OF THE DAY)