FREMONT (CBS SF) – An 81-year-old who was walking his dog when he was struck in a hit-and-run collision in Fremont last week has died, police said.

Officers and firefighters found the victim, identified as Richard Plasch of Fremont, lying in the intersection of J Street and 2nd Street in the Niles District around 6 a.m. on March 9. Plasch was hospitalized at a local trauma center before he succumbed to his injuries Monday.

READ MORE: Windsor Council Demands Resignation Of Mayor Dominic Foppoli Amid Sexual Assault Investigation

Police said Plasch suffered injuries that were consistent with being struck by a vehicle.

Investigators located surveillance video of the area around the time of the incident and are searching for the drivers of two vehicles who may have seen Plasch walking his dog.

READ MORE: 'Enjoy It While You Can' - Bay Area Bubble Tea Shops Prepare For Looming National Shortage Of Boba
Vehicles spotted in the area around the time of a fatal hit-and-run near J and 2nd Streets in Fremont on March 9, 2021. (Fremont Police Department)

(L-R) A dark colored minivan and a Chevrolet Tahoe SUV spotted in the area around the time of a fatal hit-and-run near J and 2nd Streets in Fremont on March 9, 2021. (Fremont Police Department)

One of the vehicles, described as a dark colored minivan, was traveling west on J Street towards 2nd Street.

The second vehicle spotted by cameras is believed to be a gray or gold 1995-1999 Chevrolet Tahoe 4-door SUV. Police said the SUV was travelling westbound on J Street before possibly making a U-turn at the intersection of J & 2nd. The SUV was last seen traveling southbound on Niles Boulevard.

MORE NEWS: Sharks Swept By Ducks To End 1-4 Homestand

Anyone with information about the hit-and-run is asked to contact Investigator Vince Montojo or Officer Shannon with the department’s Traffic Unit at 510-790-6800 xt 6774 or 510-790-6771 or via email at vmontojo@fremont.gov or jshanon@fremont.gov.