Stephen Mull, a former U.S. diplomat, also says Iran may choose a covert response after the U.S. strikes on its nuclear facilities.

The Kremlin said on Wednesday that it thought it was too early for anyone to have a realistic picture of damage inflicted on Iran's nuclear facilities by U.S. airstrikes. Kremlin spokesman Dmitry Peskov was responding to a question about damage assessments offered by President Donald Trump who has suggested that the U.

President Trump continues to insist the U.S. obliterated Iranian nuclear sites in strikes over the weekend, despite early damage assessments that suggest Iran's nuclear program was only set back by months.