According to the Associated Press on Sunday, an Islamic State-run news agency claimed the suspect was a "soldier of the Islamic State," saying the attacker had heeded calls from the extremist group for attacks in countries that are part of a USA -led anti-IS coalition.
An FBI official said that investigators are viewing the attack as a possible act of terrorism.
None of the eight people wounded suffered life-threatening injuries, and all but one had been released from the hospital, St. Cloud Mayor Dave Kleis said.
Police Chief William Blair Anderson said an off-duty officer from another jurisdiction confronted and shot the attacker to death Saturday night in Crossroads Center.
Police revealed the man asked one victim if they were Muslim before stabbing them in the terrifying incident in Minnesota.
Anderson said the motive for the stabbings was unclear and did not call it an act of terrorism.
"I must tell you that just before I got off the plane a bomb went off in NY and nobody knows what's going on", Trump said. Increasingly, the organization has been encouraging single-person terror attacks by lone wolf "soldiers" across the world.
A St. Cloud police officer told AFP on Sunday that the department was actively investigating the attack, but had no further information for public release and had no immediate plans for further news briefings.
St. Cloud is a city of around 65,800 people around 65 miles northwest of Minneapolis. "We'll figure out what this is and when we do we will be transparent about it".
Harley Exsted said he and his wife were in St. Cloud on Saturday to watch their son play in a college golf tournament, according to the St. Cloud Times.
And late Saturday night, 29 people were injured when a pressure cooker was detonated in New York's Chelsea neighborhood.
St. Cloud. Somali-American community leaders told the St. Cloud Times that Adan did not have a history of violence.
We have pictures from inside the mall from a 17-year-old girl from Moorhead who was locked down in the store and says she heard someone scream when they were stabbed.
"Starting tomorrow, things won't be the same here". "It's really scary to think about and I'm. just thankful to be alive".
"I ran as much as I could and I heard someone yell 'Stop!" All but one of the injured have been released from the hospital.
She says one had blood on his face, and the other had blood on his back. None of the incidents appear to be related, according to authorities familiar with the attacks. New York Governor Andrew Cuomo said it was an act of terror but there was now no known link to worldwide terror groups. The father added that police raided his apartment Sunday morning and seized photos and other materials, but they said nothing to him about the stabbings at the mall.
Hours earlier, a pipe bomb exploded in a Jersey Shore garbage can shortly before a scheduled charity race benefiting Marines and Navy sailors.