Moderate damage was done to townhomes in Hickory. Firefighters responded early Monday to 2240 15th Ave NE at Bradford Square Townhomes. Fire on a back deck spread to two units. No injuries were reported. Catawba County EMS and Hickory Police also responded. Investigators determined hot coals left in a charcoal grill was the cause. Firefighters remind residents to never leave a lit grill unattended.