The man accused of barreling his sport-utility vehicle through a Filipino heritage festival crowd over the weekend, killing 11 people and injuring dozens, had been under the care of a mental health team before the attack,

At least 11 people were killed and dozens were injured when a man drove into a crowd at a Filipino heritage festival in Vancouver on Saturday.

Ms. Gabo, 20, left the festival shortly before a driver rammed his SUV into the mass of people, killing 11 and injuring more than 30. Now, she had come back, joining an impromptu vigil of people peering over police tape and trying in vain to absorb the enormity of what had happened.