Officials said Thomas Francis Kelley, 51, escaped from the Donovan Correctional Facility in Otay Mesa Sunday by jumping into the fire truck and driving off, The San Diego Union-Tribune reported Monday.
"It appears he just jumped in the vehicle and left," Donovan spokesman Lt. Patrick Logan said.
Kelley was in jail for a parole violation, Logan said. Kelley was at large as of Monday night.
Logan said inmates assigned to firefighting duties are screened and given a measure of freedom because they are housed outside the prison's secure perimeter.
A release from Donovan facility Monday said deputies saw a fire truck driving erratically in Spring Valley, about 10 miles from the prison. When the deputies pulled the engine over, the driver fled.
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