edmonton alberta somali refugee watch list extremist view face five count attempt murder terror charge sunday canadian police say stab police officer run four pedestrians car edmonton alberta suspect 30-year-old man police identify investigate two years ago promote extremist ideology deem threat royal canadian mount police rcmp say rcmp assistant commissioner marlin degrand say exhaustive investigation man 2015 uncover sufficient evidence pursue charge canadian media identify suspect abdulahi hasan sharif although reuters immediately able confirm identity police cordoned apartment block near downtown edmonton plainclothes officer see carry large bag equipment build attack western canadian city begin chevy malibu hit police officer stand front football stadium 8:15 p.m. mountain time saturday 10.15 p.m. et send fly air driver get car stab officer multiple time flee accord police account surveillance footage incident police identify suspect stop checkpoint license show owner malibu flee checkpoint apprehend police chase across downtown street hit four pedestrians flag islamic state militant group find inside malibu say rod knecht police chief edmonton alberta provincial capital edmonton mayor iveson tell reporters best knowledge lone-wolf attack immediate cause panic concern u.s. national security agencies strongly lean toward conclusion suspect act alone although review matter u.s. official tell reuters police officer stab wound head face release hospital sunday along two pedestrians third pedestrian upgrade stable critical fourth suffer fracture skull regain consciousness sunday two women stab death assailant shoot dead soldier southern french port city marseille officials describe likely terrorist act prime minister justin trudeau call edmonton attack another example hate must remain ever vigilant canada government say would keep terrorist threat level medium since late 2014. alberta muslim public affairs council denounce attack hundreds attend sunday even rally organize group type act whether terrorism seek divide communities show go happen edmonton say group spokesman aurangzeb qureshi canada deal recent months surge illegal border cross people seek refugee status renew debate whether tighten border north american country experience much violence extremist attack unite state western european nations several deadly incidents recent years january french-canadian university student charge murder six people shoot kill inside quebec city mosque trudeau call terrorist attack august 2016 canadian police raid ontario home kill aaron driver say islamic state supporter prepare attack canadian city homemade bomb 2014 canada stun two deadly attack police say work homegrown radicals lead tough new anti-terrorism measure gunman kill soldier ottawa national war memorial launch attack canadian parliament october 2014. week man run two soldier quebec kill one 2015 videotape attribute al shabaab somali-based islamist militant group behind deadly 2013 attack kenyan shop center threaten north american malls include west edmonton mall somali refugee face terror charge canada stab car attack