MOHAVE VALLEY, Ariz. (AP) -- Authorities in Mohave County say they're investigating a fire at a church that appears to be arson. County sheriff's deputies responded to a fire at the Christ Church on South Highway 95 in Mohave Valley around 4:30 a.m. Monday. They say nobody was inside the church at the time, but forced entry was made into the structure. Investigators say the fire doesn't appear to be a hate crime. A damage estimate isn't immediately available. County sheriff's detectives and Mohave Valley Fire Department officials still are investigating the fire. They say the Silent Witness program is offering a reward of up to $500 for information leading to the arrest and conviction of the person or persons responsible for the fire.Anyone with information regarding this fire or the suspect(s) is asked to contact Mohave County Sheriff's Office at 928-753-0753 or Silent Witness at 928-753-1234.