The group also made note of other thorny issues in their final statement issued Saturday , singling out Iran and North Korea for criticism . NEW : more than 600 people arrested mid-June . NEW : Canadian PM : We deplore actions of thugs . Protests erupt in Britain as G-20 leaders meet . Police have arrested more than 600 protesters since Sunday .
NEW : more than 600 people arrested mid-June . NEW : Canadian PM : We deplore actions of thugs . Protests erupt in Britain as G-20 leaders meet . Police have arrested more than 600 protesters since Sunday .