A 38-year-old Fairfax County man was fatally stabbed Tuesday and a roommate has been charged with murder, Fairfax County police said.

Jose Ivan Lopez Castro (Courtesy of Fairfax County police)

Police said they think there was an altercation between the men but did not provide details. They said both men lived in the Barrick Street apartment.

Castro is being held at Fairfax County Adult Detention Center, police said. They said the investigation is continuing.

This Post has been updated.