A man believed to be a supporter of the Islamic State was killed during a police standoff in a small Ontario town Wednesday evening, after Canadian federal police said they received “credible information of a potential terrorist threat.”

CTV News first reported that 23-year-old Aaron Driver was killed inside a home in Strathroy, Ontario. Driver made headlines over the last year after he was arrested last summer and subsequently released on a peace bond over fears he would engage in terrorism.

He has never been charged with a crime, but the peace bond placed restrictions on his activities and movements. Driver frequently Tweeted about his support for the Islamic State under the pseudonym Harun Abdurahman.

The Royal Canadian Mounted Police (RCMP) were carrying out an investigation in the Strathroy neighborhood following information that linked Driver to a suicide bomb plot, CTV reported. Local media said that police with snipers and RCMP officers in tactical gear swarmed the area.