LANHAM, Md. — Police are on the lookout for a 20-year-old man accused of shooting and killing his uncle, and shooting and injuring a woman in Lanham. 

The Prince George's County Police Department said they are actively searching for Osman Kalokoh, 20, of Potomac. Police consider Kalokoh to be armed and dangerous. 

Officers were called around 3 a.m. to a home in the 9200 block of Alcona Street in Lanham, Maryland where they found a woman and a man inside a home with gunshot wounds, police said.

The male victim was identified as 69-year-old Alee Calokoh, Osman Kalokoh's uncle. Authorities said the woman's injuries were non-life threatening. 

Investigators said Kalokoh got into an argument with his uncle and later shot both victims. 

If anyone sees Kalokoh, they should call 911 immediately.