Updated at 6:15 p.m.

WESTFIELD, NJ — The Union County Police Bomb Squad closed off a portion of South Avenue in Downtown Westfield late Friday afternoon in response to a bomb threat.

A suspicious box was found in the area. The traffic circle was closed off and the area between the circle and Summit Avenue across the street from the train station was impassible.

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Rush hour traffic through the town was snarled.

A suspicious package had been called in at about 4:15 p.m., according to Westfield Police Chief David Wayman. Westfield police brought in the bomb squad, which determined that the package did not contain a bomb, he said.
 
By 6 p.m., the street was reopened and authorities had declared the area safe.
 
The incident is under investigation, Wayman said.