NBC Washington tweeted this afternoon that they have confirmed the news as well.
Update: This afternoon NBC Washington reported that the suspects are Vincent Gray, 21, and Delron Atchison, 22. They were arrested on suspicion of second-degree murder while armed, NBC Washington reported.
FOX 5 News has confirmed that D.C. Police detectives have two suspects in custody in Florida who are connected in a murder aboard a Metrobus last week.
The two men, a 21-year-old and 23-year-old, were taken into custody on Monday and are awaiting extradition back to D.C. where they will be charged with the shooting murder of 22-year-old Demetrius Thompson.
NBC Washington tweeted that the men were in Orlando.
Two arrested in Orlando in connection with Metrobus slaying. #breaking
— NBCWashington (@nbcwashington) October 25, 2011
Update: WJLA has now confirmed the story as well. Their report is here.