The disgruntled Bronx tenant accused of fatally shooting the superintendent of his building and injuring two people appears to have died while being held at Rikers Island Saturday afternoon, the Daily News learned.

DOC officials reported Jimmy Avila, whose age was given as 44, was pronounced dead around 4:29 p.m. at Rikers’ West Facility after EMS rushed to his aid and tried to revive him, according to the NYC Department of Correction.

Based on custody records, the dead detainee is believed to be the man arrested for fatally shooting the building’s super, Ryan Hines, 37, in the chest. A request to DOC for confirmation was not immediately returned. It was unclear how Avila died.

News 12, the station Avila contacted after the shooting, reported late Saturday citing sources that the d

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