The FBI has canceled all vacations for agents over the 4th of July weekend.

According to our inside source — FBI agents are telling their friends and family members to avoid “official celebrations.”

Fox News reported Monday evening on Special Report that the FBI is setting up command centers around the country to prepare for possible terror attacks on the Fourth of July holiday weekend.

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Fox News anchor Shepard Smith posted on Twitter about the report:

https://twitter.com/ShepNewsTeam/status/615654257166012418

“FBI tells Fox News it is building command centers around US to monitor terror threats over July 4 holiday”

Fox affiliate WTTG-TV in Washington reported federal agencies have sent out warnings to police departments around the country.