Police had contact with the suspect a day before he got behind the wheel of an SUV and drove it into the crowd at a Filipino festival in Vancouver, killing 11 people, authorities said Monday.

A suspect has been charged with multiple counts of murder and police are continuing their investigation after 11 people were killed when an SUV plowed through a crowd at a Filipino heritage festival in Vancouver over the weekend.

A driver plowed a car into a crowd at a street festival celebrating Filipino heritage in Vancouver on Saturday night, killing at least 11 people and injuring dozens more in what police are calling “the darkest day” in the city’s history.