Montreal police have issued security camera images of a man that they say set off fire alarms at a downtown building on April 4.

The man pulled the fire alarm at the 20 storey apartment building at 2055 St. Mathieu without any cause, police say.

They note that alarms were set off on a second recent occasion as well.

Police are asking anybody who recognizes the man to contact them at 514-393-1133.