Yonkers officers on April 19, 2017, announce the arrest of Michael Pettiford, sixteen, within the April 15, 2017, deadly stabbing of Daij Asante Thomas, 19, on the Ridge Hill movie show. (Matt Spillane/lohud)

A Yonkers teenager admitted in courtroom to killing one other teenager within the Ridge Hill movie show final April. 

Michael Pettiford, sixteen, pleaded responsible to first-diploma manslaughter and first-diploma theft, each felonies, within the deadly stabbing of 19-yr-previous Daij Thomas. 

He was felony costs of second-diploma homicide, first-diploma manslaughter and two counts of first-diploma theft, in addition to two misdemeanor counts of fourth-diploma felony possession of a weapon.

DA: 16-year-old picked fight before fatal Ridge Hill theater stabbing

YONKERS: 16-year-old indicted in fatal Ridge Hill stabbing

ARREST: 16-year-old charged in Yonkers stabbing

Thomas was sitting in the lobby of the Showcase Cinema de Lux Ridge Hill, where he worked, at 12:44 a.m. on April 15 when Pettiford approached him and challenged him to a fight, prosecutors said.

After Thomas declined the fight, Pettiford grabbed Thomas’ cellphone out of his hand, which led to a chase, prosecutors said. The two teenagers struggled until Pettiford stabbed Thomas once in the chest, according to prosecutors. 

Pettiford put Thomas’s cellphone in his pocket and left the theater while Thomas collapsed. 

Two knives were found at the scene, prosecutors said, and Pettiford was arrested a Yonkers Avenue apartment two days later. 

Pettiford faces 18 years in state prison when he is sentenced on March 21.

Twitter: @ChrisEberhart2

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