Jackson was being considered for early parole, but Monday, that release got pushed back.
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The California Department of Corrections and Rehabilitation announced it would keep Jackson in custody for an additional 180 days.
RELATED: Planned early release of convicted Yosemite Lakes Park serial arsonist sparks outrage
He was sentenced to 30 years in prison eight years ago for starting a string of fires in Yosemite Lakes Park in Madera County.
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Last week, the news of his early release sparked outrage. Residents signed a petition urging authorities to keep Jackson in prison or have him paroled in a different county.
Senator Anna Caballero said she would continue to circulate the petition to Madera County residents and victims.