It happened just after 10 a.m. on Friday.
Investigators say the white truck appears to have backed up into the front window, ending up near the reception desk.
Fremont firefighters say one Denny's employee has been taken to the hospital with minor injuries.
pickup truck backs up into @DennysDiner in #fremont on mowry at 10am. 1 employee minor injuries. #NotADrivethru pic.twitter.com/S2Q179DZLB
— Kristen Sze (@abc7kristensze) August 12, 2016
This truck slammed right into a Denny's in #Fremont, backing into the front window and ending in reception. 1 hurt. pic.twitter.com/uj5bwP9KOJ
— Natasha Zouves ABC7 (@NatashaABC7) August 12, 2016
