Fires in different parts of Hall County on Sunday kept firefighters busy on Mother’s Day afternoon. Hall County firefighters battled a blaze at a Citgo gas station/convenience store in the 3200 block of Cleveland Highway and later were called to a residential fire at 3435 Shoreland Drive off Lake Lanier Islands Parkway. The fire department got a call at 3:45 p.m. about the fire at the convenience store.