Canadian officials investigate possible terror incident in Edmonton

Police say a man stabbed a police officer and then hours later drove into pedestrians following a high-speed chase.
1:55 | 10/01/17

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Transcript for Canadian officials investigate possible terror incident in Edmonton
Thank you for your perspective. To another breaking story this morning. A possible new terror attack in Canada. Man stabbing a police officer then ramming into pedestrians with a truck during a high-speed chase. Ron is here covering that story. Ron, good morning. Reporter: These are two separate incidents hours apart. Saturday night. The ramming of the police barricade. And later, the vehicle mowing down pedestrians. Police sate was within suspect that did this. The motive appears to be terrorism. It happened near commonwealth stadium in Edmonton, where a Canadian league pro football game was being laid. The suspect driving this white car at a high rate of speed barreled through a police barricade outside the stadium, striking a police officer. That driver got out of the car and went on the attack. Stabbing a police officer several times. Police on the scene were able to identify the driver from the vehicle's registration. The male suspect stabbed the officer several times. Before fleeing the scene on foot. Reporter: Several hours later, at a police check point, officers stopped a U-Haul moving truck. The name on the driver's license was similar to the suspect they were looking for. The U-Haul truck fled the scene. It was pursued by police officers. Reporter: The driver of the U-Haul truck took off. Intentionally running down pedestrians on the way. At least four people were struck. They're being treated at the hospital. The police say the two incidents are related. They found this flag, described as an isis-like flag. They're investigating the incidents as a solo act of terrorism. The suspect in police custody. He's not yet been identified. Canadian law enforcement officials say they have no information about I imminent attacks. The police officer is expected to survive. Turn to the extraordinary war of words between the president of the United States

This transcript has been automatically generated and may not be 100% accurate.

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