"The counterterrorism and homeland security communities remain vigilant and well-postured to defend against attacks here in the United States," an unnamed senior FBI official told CBS News.

The FBI and other federal, state and local law enforcement are working together with the intelligence departments to find and stop terrorist threats, the official said.

The New York Police Department and the FBI are assessing the credibility of the information about the potential attack, The Associated Press reported.

NYPD says the information "lacks specificity."

Texas Governor Greg Abbott also has responded: