UPDATED 02/29/12 11:25 a.m.

CHICAGO (CBS) — A 15-year-old boy was shot and killed Tuesday night in the Marquette Park neighborhood.

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The boy was shot as he walked in the 6800 block of South Rockwell Street.

The boy was walking alongside a 16-year-old girl when a gunman got out of a light-colored sedan and opened fire, police said.

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The boy, Albert Guyton of 7600 block of South Prairie Avenue, was pronounced dead at 10:04 p.m. at Advocate Christ, according to the Cook County Medical Examiner’s office, the Sun-Times Media Wire reported.

Guyton was shot multiple times. The girl was not hit by the shower of gunfire, and managed to escape.

Police suspect the attack as gang-related.

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The gunman fled the scene and was not in custody as of early Wednesday, police said.