Young girl, woman shot and killed in River Park: police

16 year-old killed in Upper Darby; suspect sought

Police in Philadelphia and Upper Darby Township are investigating separate violent crimes that occurred Sunday. Upper Darby Township police released images of a suspect involved in a fatal shooting of a 16-year-old boy Sunday afternoon. Meanwhile, Philly police are investigating a shooting that left a young girl and a woman dead in River Park.

PHILADELPHIA - The Philadelphia police are investigating after a shooting left a woman and young girl dead in River Park Sunday night. 

What we know:

On Sunday at around 6:08 p.m., Philly police officers responded to a shooting on the 3900 block of Lankenau Avenue.

According to preliminary details, police say a woman was shot and was pronounced dead by medics at 6:20 p.m.

They say a young girl was also shot in the incident. Police took her to Children's Hospital of Philadelphia, where she was pronounced dead at 6:25 p.m.

This is an active investigation. 

Check back for more updates.