The FBI has publicly acknowledged for the first time that it is considering preventing those who attacked the US Capitol last week from boarding planes by adding them to the federal no-fly list.

FBI Washington Field Office Assistant Director in Charge Steven D'Antuono said Tuesday that the bureau would consider adding rioters to the no-fly list, which is maintained by the bureau and administered by the Transportation Security Administration.

"As for the no-fly list, we look at all tools and techniques that we possibly can use within the FBI and that's something we are actively looking at," D'Antuono said in response to a question from CNN's Evan Pérez.

On Tuesday, congressional leaders intensified calls to keep rioters off planes after they said they remained mostly in the dark from the agencies that oversee the list.

Read more: CNN