A dispute between panhandlers over $10 and a pizza slice led to a fatal stabbing Saturday night two blocks from the Navy Yard Metro station, according to D.C. police and court documents.

Police on Monday charged one of the men, Daniel Scott, 35, of Southeast, with first-degree murder while armed. The victim was identified as James Neal, 54, also of Southeast. Police said he died on Sunday at Howard University Hospital.

A police arrest affidavit filed in D.C. Superior Court says the dispute began about 7:50 p.m. outside a 7-Eleven store in the 1100 block of South Capitol Street SW, near M Street.

A witness told police that he, Neal and Scott were panhandling outside the convenience store. The witness said a patron gave him $10. The unidentified witness, a friend of Neal, told police that Scott demanded some of the $10, but the witness instead bought him a slice of pizza, according to the affidavit.

“The defendant was not satisfied and wanted money,” police said in the affidavit. Police said Scott got a butcher knife and threatened the witness and Neal. The witness said he threw a rock at Scott and took out his own knife.

Police said the three men then walked two blocks to the first block of M Street SE, near the Navy Yard Metro Station. There, police said, Neal was stabbed in the face with the knife. Police said they arrested Scott a few blocks away on I Street Southeast.

According to the affidavit, Scott told detectives that the victim and his friend had robbed him and that he took the knife away from them during an altercation.

A D.C. Superior Court judge ordered Scott detained until a preliminary hearing Dec. 11.