EMERYVILLE -- A man remains in critical condition after he suffered serious injuries when he was struck by a truck carrying liquid nitrogen Friday morning, police said.

The collision is being treated as an accident, and there is no indication the driver was intoxicated at the time of the incident.

No liquid nitrogen was spilled, and no one else was injured.

Officers responded to the crash around 8:30 a.m. on 53rd and Hollis streets. Police are still investigating what caused the accident.

Anyone who may have witnessed the collision is asked to call Emeryville police at 510-596-3717.