ABC News first reported the information.

A source experienced in counterterrorism said there was no indication Iran was planning an attack, nor that it could successfully launch one

A FBI alert over an alleged Iranian drone attack on California has led to a war of words between the White House and ABC News.

Federal officials are pushing back on a report suggesting Iran could launch a drone attack against California, saying there is no credible or imminent threat to the U.S. homeland. Still, President Donald Trump says authorities are closely monitoring suspected Iranian "sleeper cells" inside the United States.

White House press secretary Karoline Leavitt pushed back on an ABC News report that the FBI warned police departments in California that Iran wants to retaliate over the U.S. military operation in the country,

California Gov. Gavin Newsom said Wednesday there is no “imminent threat” to the state following reports that federal authorities had alerted state officials of unverified claims by Iranian-affiliated actors desiring to conduct potential drone attacks.

A missile has struck a helipad inside the U.S. Embassy compound in Baghdad and debris from an intercepted Iranian drone hit an oil facility in the United Arab Emirates