Cal Fire has arrested 109 people on suspicion of arson this year, stemming from brutal wildfires that have raged across the state from summer into fall.

Nathaniel McGuire, 20, has been arrested in connection with an explosion at a California courthouse, facing multiple felonies.

A Nevada man who allegedly sparked a fire near a Sierra County reservoir early Sunday while under the influence is one of two men recently arrested on suspicion of arson in Northern California forestland.

Cal Fire arrested a Clearlake man for arson in connection with two fires that happened in Lake County this fall, Cal Fire said. The suspect, 41-year-old Donald Anderson, had previously been sentenced in January 2004 to 212 months in prison for arson,

Cal Fire officials arrested a man late last week on suspicion of setting two fires in Lake County, authorities said. Donald Anderson, 41, of Clearlake, was arrested Friday on suspicion of two felony counts of arson of a structure or of forest land and two felony counts of arson during a state of emergency.

A 41-year-old Lake County man who has previously been convicted of arson has been arrested in connection with two more fires, according to Cal Fire. Donald Anderson of Clearlake was booked into Lake County Jail on Friday in connection with the Sept.