A Sig-alert has been issued due to a fatal collision blocking lanes of northbound Interstate Highway 680 in Fremont Sunday morning, according to the California Highway Patrol.
The crash was reported around 5:55 a.m. on northbound Highway 680 near Washington Boulevard.
At least one victim has been pronounced dead, according to the CHP. A Sig-alert was issued for all northbound lanes at 6:25 a.m.
Further details were not immediately available.