CHICAGO (STMW) — A 16-year-old boy faces attempted murder charges after allegedly beating another boy, 15, who refused to join a gang Sunday morning.

About 2:30 a.m., the 16-year-old and “several other offenders” hit, stabbed and robbed the 15-year-old in the 2700 block of South Homan Avenue after he refused to join the gang, police said. The 15-year-old was then put in a dumpster and later taken to Mount Sinai Hospital in critical condition, police said.

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The 16-year-old was charged as a juvenile with attempted first-degree murder, kidnapping, robbery, battery and gang recruitment of a minor, police said.

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His name was not released Sunday night and information about his next court appearance was not immediately available.

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