(KRON) -- Authorities are responding to a fatal crash involving a bicyclist and a vehicle in Alamo, according to California Highway Patrol. A traffic alert posted at 1:04 p.m. said that the fatal collision occurred on Livorna Road under the Interstate 680 overpass. No further details on the bicyclist, driver or crash were immediately available. Car flips over in SF’s St. Francis Wood neighborhood There are no impacts to I-680, but motorists near the overpass were advised to use alternative routes. Livorna Road was reopened just before 1:30 p.m. This is a developing story. Check back for updates.