Fair Lawn school evacuation

Police said Fair Lawn was one of nine North Jersey school districts that received threats Jan. 19, 2016 (Photo: Kyle Mazza/ UNF News)

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High schools in at least nine school districts in Bergen County and Passaic County received threats Tuesday morning.

Schools in Leonia, Tenafly, Teaneck, Garfield, Fair Lawn, Hackensack, Englewood and Bergenfield received threats, Anthony Cureton, a spokesman for Bergen County Sheriff Michael Saudino, said.

Police are investigating whether the threats are related, Cureton said. It's also possible all the calls were automated, he said.

Fair Lawn Police Sgt. Brian Metzler said Fair Lawn High School received a threat over the phone at about 9 a.m. All the students have been moved to Memorial Middle School.

Clifton High School, in Passaic County, also received a bomb threat via voicemail, Clifton Police Sgt. Robert Bracken said. The recorded message said a bomb would be placed in one of district schools and also threatened a "mass shooting" that would take place Tuesday.

Bracken confirmed that several other districts had received threats.

"At this time there is no indication as to the validity of the threat," Bracken said.

Students sheltered in place in Garfield, where the high school received the threat, until 12:45 p.m., after bomb-sniffing dogs searched district schools, Garfield Police Capt. Darren Sucorowski said.

Police in Leonia deemed that the threat against Leonia High School wasn't credible. Students there are sheltering in place, Leonia Police Chief Thomas Rowe said.

The Bergen County Sheriff's Office Bomb Squad, as well as New Jersey State Police and Jersey City Police, are helping to clear the threats, Cureton said.

Bergen County school faced a similar wave of threats in November 2014.

Myles Ma may be reached at mma@njadvancemedia.com. Follow him on Twitter @MylesMaNJ. Find NJ.com on Facebook.