The man is being questioned and no charges were immediately filed.
The victims -- 28-year-old Justin Ford and 27-year-old Terrell Ford -- were shot outside a Fix Hills gas station at Targee Street and Vanderbilt Avenue at 3 a.m. Sunday. Both were taken to area hospitals, where they died a short time later.
[Ads /]
The shooting stemmed from a prior dispute at a nearby club.
According to police, the brothers had 22 prior arrests between them.
The suspect is a parolee with a multiple prior arrests, including for another homicide in 2005.
Stay with abc7NY for the latest on this story.