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MERRIFIELD, Va. (WUSA) -- Fairfax County Police say a man arrested and charged with murder in the death of Oscar Rivera in the Merrifield area lived with Rivera in the same apartment.

Rivera was found dead in a bathroom of an apartment in the 9100 block of Barrick Street on Tuesday night. He had apparent stab wounds.

After further investigation, police were led to 20-year-old Jose Ivan Lopez, who also lived at the apartment. He was arrested at 1 a.m. on Wednesday, charged with murder andtransported to the Fairfax County Adult Detention Center.

At this point, police believe there was an altercation between the two men before Rivera's death.

Police continue to investigate this case and are asking anyone with information to contact Crime Solvers at 1-866-411-TIPS/8477, text "TIP187" plus your message to CRIMES/274637 or call Fairfax County Police at 703-691-2131.