A wave of bomb threats emailed to businesses, universities and newspapers across the country and in Canada Thursday prompted evacuations and searches, but appeared to be a hoax and a crude extortion attempt, according to news reports .

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The Associated Press reported that law enforcement agencies have dismissed the threats and said they were meant to disrupt and extort recipients, and that they "were not credible."

“We are currently monitoring multiple bomb threats that have been sent electronically to various locations throughout the city,” the New York Police Department’s counterterrorism unit tweeted . “These threats are also being reported to other locations nationwide and are not considered credible at this time.”

Original story: There have been multiple reports of emailed bomb threats to businesses, universities and newspapers across the country.

The FBI is investigating, saying it is in contact with law enforcement to provide assistance and reminding citizens to remain vigilant.

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Police in New York City, among other law enforcement departments, confirm that there have been several threats made across the country, and so far, no credible threats have been found.

Some of the threats have already been determined to be hoaxes, KSL and other media outlets reported.

KCRG in Iowa reported the threats were a spam email that tried to scam receivers out of money.

In other locations, officials continued to investigate, and evacuated businesses out of an abundance of caution.