PARSIPPANY — Parsippany area schools were put on lockdown Tuesday morning, according to an alert sent out by police.

At about 11:14 a.m., Parsippany Police announced a "non-threatening incident" occurred at the Brooklawn Middle School, and area schools were on lockdown.

"Parents, do not respond to the schools for any reason at this time," the alert reads.

Brooklawn Middle School is located at 250 Beachwood Road in Parsippany.

Messages left for Parsippany Police and Interim Superintendent John T. Fitzsimons were not immediately returned Tuesday morning.

A message about the lockdown on the Parsippany Police Facebook page sparked some concern from parents Tuesday morning.

Mary DeMarinis called the post "Extremely nerve racking. We need more information."

Cheryl Marron Olsen wrote that the post was "frightening" and "too vague."

Jackie Iossa wrote that she had a child at one of the schools, and wanted to know which specific schools were on lockdown.

Neda Abrary Donlin said, "Agreed!!! FREAKING out here!"

Lynelle Reinke Baldassari said her son sent her a text message because he was worried about his sisters at Brooklawn. "A bit nerve racking for parents," she wrote.

At approximately 11:50 a.m., police posted a message on their Facebook page saying "All school lockdowns have been lifted. More info to follow shortly."

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