MILWAUKEE (CBS 58) -- A suspicious death investigation is underway near 28th and National in Milwaukee. 

Milwaukee police were called to the area around 5:30 a.m. 

Police say a 36-year-old woman was located unresponsive in a vehicle and pronounced dead. The cause of death, officials say, appears to be the result of a gunshot however it is currently under investigation. 

Milwaukee police are seeking unknown suspects. Anyone with information is asked to contact Milwaukee police at (414) 935-7360 or Crime Stoppers at (414) 224-TIPS or P3 Tips App to remain anonymous.