(KRON) — Units are responding to a multi-vehicle accident on the Carquinez Bridge, according to a tweet from the Crockett-Carquinez Fire Department. The accident occurred on the eastbound 80, midspan on the bridge and involved eight vehicles, the tweet states.

Drivers are advised to expect prolonged, heavy delays entering Solano County on the eastbound 80s. Two ambulances have been requested for non-urgent cases, according to a subsequent tweet from Crockett Fire. Two patients were transported to local hospitals, fire officials later tweeted.

This is a developing story. Check back for updates.