SWANSEA (CBS) – Several people were hurt in a crash involving an ambulance in Swansea.

A Toyota Camry crashed into the side of the Alert Ambulance in a McDonald’s parking lot at the corner of Route 6 and Route 136. The ambulance was pushed into the car next to it in the parking lot.

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Police say the Camry, operated by Victoria Borkai of Providence, drove off Route 136, across a grassy area and into the parked cars.

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The cars caught fire after the crash.

Four people were transported to the hospital. Three of them suffered serious injuries.

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The crash remains under investigation.