Police investigating after woman fatally overdoses in parking lot of Mayfair Mall

WAUWATOSA, Wis. (CBS 58) -- Wauwatosa Police are investigating a fatal overdose.

Police were called to the parking lot outside of Nordstrom at Mayfair Mall around 8:34 p.m. for a woman who was unconscious due to a possible drug overdose.

Officers arrived on scene and found a 25-year-old woman inside of a vehicle. She was taken to a local hospital where she was pronounced dead on arrival. 

A 28-year-old woman was also in the vehicle. She was responsive, police say.

According to police, evidence of multiple drugs being used by both women was located at the scene.

The investigation remains ongoing.

Stay with CBS 58 News for more information on this developing story.