The comments came after President Trump said he was " looking at some very strong options" to curb Iran's harsh repression of anti-government protests.
A senior Justice Department prosecutor in Virginia has been fired over unwillingness to take on the prosecution of former FBI Director James Comey, sources said.
Hundreds of thousands protest in Iran as government forces mobilize to stop the demonstrations. Human rights activists say more than 500 people have been killed in the last two weeks. The head of the Iranian parliament issued a new warning to the U.S., vowing to strike back if the Trump administration takes military action inside Iran. NBC News' Raf Sanchez reports.
