SAN DIEGO - Three lanes of westbound Interstate 8 in Mission Valley were blocked for more than an hour Saturday due to a collision involving multiple vehicles.
The crash occurred just before 1 p.m. just east of Interstate 5 and involved seven vehicles, according to the California Highway Patrol's incident page.
Seven people were taken to local hospitals to be treated. Their conditions were not known.
All lanes were reopened as of about 2:30 p.m.
It is unclear what caused the crash.