Over 20 people were injured after a vehicle crashed into a crowd during a Lao New Year parade in southern Louisiana on Saturday.Authorities have detained the driver and stated that preliminary evidence suggests the incident was not an intentional act of violence.Acadian Ambulance dispatched ten ground units and a helicopter to transport the victims, with at least four people remaining in critical condition.Jeff Landry praised the emergency responders as investigators continue to probe the accident at the festival in Lanxang Village.