VISTA–Authorities arrested a man on Tuesday in connection with the attempted murder of his brother at their Vista home.

The victim, identified as 19-year-old Juan Sixto, sustained a life-threatening injury. During the preliminary investigation by deputies, they determined a shooting had likely occurred in the 300 block of Pomelo Drive. Deputies detained Juan Sixto’s older brother, 27-year-old Fredy Sixto.  Juan and Fredy shared a residence at 320 Pomelo Drive. Sixto was arrested for one count of attempted murder and booked into the San Diego Central Jail.

The victim is not expected to survive his injury.