Helsinki - Finnish police said they were looking for more suspects after arresting a man on suspicion of stabbing several people in the southwestern city of Turku."Police are looking for other possible perpetrators of the crime in Turku," security forces wrote on Twitter. "They ask the population to leave and avoid central Turku."The suspect's motive was as yet unknown.Two people were killed and six were injured in a stabbing spree in the Finnish city of Turku on Friday, police said, after officers shot one suspect and warned several others could be at large."There are eight victims in the stabbing. Two dead and six injured," Turku police tweeted.