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The hunt for a suspected gunman shut down traffic in part of North Chicago for several hours today.

Authorities say the man shot three men in an alley there before fleeing through a residential neighborhood.

Witnesses say he appeared to hide out in a duplex.

Dozens of police cars and swat officers swarmed the area and sealed it off around 10:30 a.m. this morning.

A thorough search came up empty and police reopened the area around 3:30 p.m.

Two of the victims were treated for minor wounds.

The third man is in stable condition.

No one is in custody.