Chris DiMeo

The Metropolitan Police Department in Washington, D.C.

issuing a statement saying it's closely monitoring events unfolding in Iran.

They also said at this time there are no known threats to D.C.

We are prepared to increase our presence as needed.

In New York, the NYPD says it's enhancing patrols at diplomatic, cultural, and religious sites.

And the mayor of Los Angeles, Karen Bass, saying in a statement, while there are no known credible threats at this time, the LAPD has stepped up patrols near places of worship, community spaces, and other areas of the city.

Chris DiMeo, Fox News.

Leadership KO'd.

I'm Chris DiMeo, Fox News.

Ayatollah Khamenei and 40 other Iranian officials are dead following the U.S.

and Israel airstrikes.

Fox's Stephanie Bennett in London.

Meantime, a massive explosion rocking Tehran Sunday as the Israeli military said it was targeting the heart of the city.

The blast appearing to focus in a neighborhood that's home to the country's police headquarters and Iranian state TV.

A massive anti-U.S.

protest taking place in the aftermath of the attack.

Hundreds of demonstrators storming the U.S.

consulate in Karachi, Pakistan this morning.

At least nine people were killed, eight wounded in clashes.

Fox's Jonathan Hunt.