Eight persons were injured after a stabbing attack at a shopping mall in a city in Minnesota state, which ended with the suspected attacker being killed by the police.The police responded to reports of the stabbings at the Crossroads Mall in St. Cloud city around 8.30 p.m., on Saturday, St. Cloud Times reported citing Fox News. St. Cloud Police chief Blair Anderson said the attacker dressed in a private security uniform.An off-duty police official from another jurisdiction shot and killed the attacker, Anderson added.Anderson said the attacker, who was armed with a knife, reportedly made references to Allah during the attack and asked at least one person whether he was Muslim. But the police chief declined to call the attacks an act of terrorism, saying the motive was not yet known.