SAN LEANDRO (CBS SF) — A patient being transported in an ambulance died following a crash involving the ambulance and another vehicle at busy intersection in San Leandro on Monday.

The Alameda County Coroner’s Office confirmed that the deceased is 74-year-old Catherine Sunday, of San Leandro.

READ MORE: 'Let it Glow' SF Lights Up San Francisco To Revive Pandemic-Stricken Downtown

The ambulance collided with a white sedan at Lewelling and Hesperian Boulevards at 11:12 a.m. Monday. according to Alameda County Fire Department spokeswoman Aisha Knowles.

The Paramedics Plus ambulance was headed south on Hesperian with the 74-year-old female patient in the back, CHP spokesman Officer Dan Jacowitz said.

The driver of a white Audi sedan was headed east on Lewelling and slammed into the side of the ambulance when it was in the intersection, tipping it on its left side, Jacowitz said.

The patient in the back of the ambulance suffered major injuries and the Audi driver suffered moderate to major injuries, Jacowitz said. Three emergency workers in the ambulance were also injured. One of them, a firefighter, was treated and released from the hospital. The extent of the injuries suffered by the two paramedics was unknown.

READ MORE: Officials: Marin County Parents Knowingly Sent Child To School With COVID; 75 Students Quarantined

Despite their injuries, the emergency personnel stayed in triage mode following the crash.

“Our firefighter who was on scene was able to self-extricate, and was providing emergency care, assisted with care and coordinating the other emergency resources,” said Alameda County Fire Deputy Chief J. Call.

The CHP said it was not clear whether the patient in the ambulance died as a result of the crash or of the original medical emergency. The driver of the Audi was not facing any charges.

The CHP was investigating the crash with the assistance of the Alameda County Sheriff’s Office. Anyone who witnessed the crash has been asked to contact CHP at (510) 581-9028.

MORE NEWS: UPDATE: Alameda County Omicron Variant Outbreak Victims Attended Wisconsin Wedding Last Weekend

© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Bay City News Service contributed to this report.