Big cities in the United States are on high alert after attacks on nuclear sites in Iran

Authorities in New York and Washington are on high alert after U.S. airstrikes on three Iranian nuclear sites on Saturday night. 

According to a statement by the NYPD, they are closely following the unfolding events in Iran. As a precautionary measure, they have decided to increase the presence of law enforcement personnel near religious, cultural, and diplomatic sites in New York City. Additionally, they are collaborating with federal agencies to ensure the safety of the city and will be vigilant for any possible repercussions on NYC.

Shortly thereafter, the Metropolitan Police Department released a similar statement on the social media platform.

President Donald J. Trump in The Situation Room, June 21, 2025 (The White House via X)

As part of their security measures, the NYPD sometimes uses ‘HOW’ cars, also known as ‘house of worship cars, which involves positioning a marked police vehicle directly in front of the respective location to enhance safety.

More than anything, Mauro said, the authorities are monitoring online chatter from potentially dangerous bad actors.

The NYPD emphasizes the importance of monitoring online platforms for any concerning activities. With a well-established cyber counterterrorism program, they are actively engaged in scrutinizing online information to address any potential threats effectively.

U.S. strikes three sites in Iran (Fox News)

Mauro said that local authorities in Washington will do the same, and also that Customs and Border Protection (CBP) will be keeping a close eye on who is entering the country. 

“You’re also going to be looking closely at things coming into the country, to the extent that you can, like at the border, at the airports … CBP is going to be on high alert.”