Citizens have been complaining about drug activity in Country Hill area.
The Frederick Police Department's Drug Enforcement Unit made several arrests Wednesday evening while conducting surveillance in the Heather Ridge Drive area.
Officers say they saw Sheena Diggs, of the 400 block of West South Street, sell crack cocaine to Donna Allen, of the 100 block of Wild Fig Court.
Both were taken into custody without incident.
Police have been actively watching that area in response to citizens who have been complaining of drug activity, mainly in Country Hill.