The standoff began near 306 G Shore Drive in Montague around 11 p.m. Sunday, according to initial and unconfirmed reports.
Gunshots were heard early Monday morning, the initial report says.
The address appears on Google as the location of Highpoint Country Club within a private condominium community.
Numerous law enforcement agencies were still on scene as of 1 p.m., the report says.
NJSP Trooper Charles Marchan confirmed a barricaded suspect but could not immediately provide additional details.
This is a developing story. Check back for more.
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