(STMW) — Police are searching for a distraught 30-year-old man reported missing from his north suburban home and possibly armed.

Daniel Nerstrom was reported missing from his home in Libertyville about 6 p.m. Monday, according to a statement from Libertyville police.

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Nerstrom, a U.S. Army veteran, is thought to be distraught and possibly suicidal, according to police. He may be armed with a handgun.

He is described as a 6-foot-1, 175-pound white man with blonde hair and blue eyes. He may be wearing a black or green Carhartt jacket with numerous military patches, gray Under Armour shirt, tan military-style boots, and camouflage skull cap with red spider logo.

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Police have been working with other agencies and searching with K-9 units and a helicopter, but he has not yet been found.

Neighborhood schools have been advised of the situation and have secured their buildings until he is located, police said.

Anyone with information should call (847) 362-8310.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2014. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)