Iran live updates: Trump warns Iran may face 'complete destruction and certain death'

Johnson continues to argue the US is not at war

House Speaker Mike Johnson continued to argue that the U.S. is not at war with Iran, following the failed war powers resolution vote in the House on Thursday.

"We are not at war. We have no intention of being at war," he told reporters. "The Department of War has made it very clear -- this is a limited operation. It's an operation that is limited in its scope and duration."

Johnson's comments come a day after President Donald Trump said: "I have to go back and look at the war. You know, I have a lot of things happening.”

The House speaker said he is "grateful" that the resolution failed.

"It would have been a very dangerous gambit to take the commander-in-chief's ability away to complete this mission. Would have been a very serious misstep by Congress," Johnson said.

-ABC News' Lauren Peller