Stations 1 & 27, Stations 4 & 24 and Station 26 were alerted to a multi residential fire at the Holly Square Apartments in Middletown, with reports of smoke coming from the vents. Arriving units found a malfunctioning bathroom vent fan and quickly distinguised the fire and assisted with clean up. Units on scene were Rescue 27, Tower 27, 24-3 and Rescue 26.