Man Suspected of Starting Brush Fire Arrested, Azusa Police Say

A man was arrested in Azusa -- a city just east of Pasadena where one of the largest fires in L.A. is raging -- Friday ... and, cops claim he may have tried to start another fire. Azusa PD tells TMZ ... officers were dispatched to a local park just before midnight in regards to a brush fire -- where they claim a witness told them the man who lit the fire was still at the scene. Officers located the suspect -- a…