16-year-old shot, killed in robbery attempt, kills attacker, 19, with pocket knife

Zaire Kelly, 16, was killed while trying to defend himself in an attempted robbery, police say. (Photo courtesy of family)

A 16-year-old and a 19-year-old are both dead after the older teen tried to rob the younger teen in Northeast, D.C., according to police.

Police have identified Zaire Kelly, 16, as the robbery victim, and Sequan Gillis, 19, as the man who tried to rob him.

Kelly and Gillis were taken to an area hospital where both died. According to police, Kelly was a senior at Thurgood Marshall and ran track.

WATCH: DC Police Chief Peter Newsham briefs the press about the killing:

Kelly was walking home from a convenience store Wednesday night when Gillis attempted to rob him in the area of 13th and Downing Street, according to police.

Police said Kelly brandished a pocket knife to defend himself when Gillis shot him.

WATCH: ABC7's Ryan Hughes reports:

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Gillis was stabbed by Kelly in an incident that police described as self-defense.

This is a developing story that will be updated.

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