PEI·UpdatedA man who was believed to be armed and prompted a shelter-in-place alert in Summerside, P.E.I., Wednesday morning is now in custody and there is no longer a threat to public safety, according to police.Police say no threat to public after suspect believed to be armed arrested Wednesday morningThinh Nguyen · CBC News · Posted: Jul 23, 2025 7:53 AM EDT | Last Updated: 8 minutes agoEarlier this morning, an emergency alert warned residents to stay indoors as officers searched for 28-year-old Mitchell Lannigan, who was described as “armed and dangerous.” (Summerside Police Service)A man who was believed to be armed and prompted a shelter-in-place alert in Summerside, P.E.I., Wednesday morning is now in custody and there is no longer a threat to public safety, according to police.”Mitchell Thomas Lannigan, an armed and dangerous individual who fled from police is now in police custody,” Summerside police said in a release just after 10 a.m. AT. “The shelter in place has been lifted and there is no further threat to the public. We thank you for your cooperation.”Earlier this morning, an emergency alert warned residents to stay indoors as officers searched for 28-year-old Mitchell Lannigan, who was described as “armed and dangerous,” in the Water Street East area.Dozens of Summerside police and RCMP officers were seen combing the city with their weapons drawn. Streets in multiple locations were blocked off, and police checkpoints were set up to stop vehicles leaving the city.Summerside police and RCMP officers were seen combing the city Wednesday morning with their weapons drawn. (Nicola MacLeod/CBC)After the alert ended, a heavy police presence and at least 10 police vehicles remained at the end of the Glovers Shore Road, but cleared out by 10 a.m. AT. Witnesses later told CBC News they saw a man go into a neighbour’s yard, take a kayak and enter the water nearby. Police then also used the neighbour’s kayaks to go in after the man, according to the witnesses.Earlier this week, RCMP issued an arrest warrant for Lannigan on charges of assault, possession of a handgun, possession of a handgun while prohibited, two counts of pointing a firearm, use of a firearm in a careless manner and breach of a probation order.An RCMP officer checks vehicles leaving the City of Summerside on Wednesday morning. (Nicola MacLeod/CBC)with files from CBC’s Nicola MacLeod
Suspect in custody after Summerside residents urged to shelter in place
