NEW : A Fayette County official says fuel fires , fanned by strong winds , are a concern . Mapleton had been shut down as authorities probed a possible gas leak . The fire was reported at about 7 p.m. on Saturday in the town of New Market, located near the Kentucky border. Other Iowa communities are also hit hard by overnight twisters .
NEW : A Fayette County official says fuel fires , fanned by strong winds , are a concern . Mapleton had been shut down as authorities probed a possible gas leak . A Red Cross liaison calls the city 's Main Street `` a disaster , '' with debris everywhere . Other Iowa communities are also hit hard by overnight twisters .