FREMONT, Calif. (KGO) -- An explosion in Fremont injured at least one person on Friday, the fire department said.
The incident happened just before 11 a.m. on South Grimmer Boulevard at a plastic recycling business.
The fire department said one person was transferred to the hospital for "unknown injuries or sickness" and several others complained of illness but declined medical treatment.
A hazmat team is reportedly onsite.
Stay with ABC7 News for the latest details on this developing story.