A fight may have turned into arson in Stanfield Sunday night.

Pinal County Sheriff’s Office deputies responded to reports of a fight near 38000 W. Apache Drive just after 10 p.m. Before they arrived, another caller reported a trailer on fire in the vicinity.

“When we arrived at the fire location, we found a travel trailer on fire behind a residence,” PCSO spokesman Mark Clark said. “The occupant of the trailer was not there, but she was later located and found to be OK.”

The resident told deputies her ex-boyfriend made vague threats on the phone earlier, saying “she would pay” for dating someone else.

The fire is being investigated as suspicious.

“We cannot confirm it is an arson, but we are working with the fire department to determine if it was intentionally set or not,” Clark said.

The people fighting, which initiated the calls to the location, were not found or identified.