GREENVILLE -- Authorities say three men in masks tried to break into the Greenville home of a state trooper, then set it on fire.

Investigators say Homer Rose was on duty and his wife was home alone Friday morning when the coupleís dog started to bark.

Greenville County deputies say Roseís wife saw the masked men and called 911, and was able to get out of the home uninjured before the fire spread.

Firefighters estimate the blaze did $175,000 worth of damage.

Deputies say the home had a 6-foot tall security fence that requires a code to enter, and they arenít sure how the suspects got inside. No arrests have been made.