Ruling could lead to renewed efforts by House Democrats to compel testimony from other high-ranking officials, including former national security adviser John Bolton.
The US House of Representatives passed a resolution along party lines enforcing subpoenas which could have an impact on officials in the Trump administration.
Democrats who control the House approved the measure authorising House committees to file lawsuits in federal court seeking orders from judges to compel officials to cooperate with congressional inquiries.
US Senate Intelligence Committee strikes deal with Donald Trump Jr to appear for a closed-door testimony next month, as part of panel's Russia investigation.
"We are going to initiate investigations into abuses of power, into corruption and into obstruction of justice," the chairman of the House committee, Rep. Jerrold Nadler, D-N.Y. said. "We will do everything we can to get that evidence."
Don McGahn, who has advised US President Donald Trump on dealing with Special Counsel Robert Mueller's Russia probe, also has been interviewed at length as a cooperating witness by Mueller's team.
US President Donald Trump has stepped up his attack on the federal probe into the alleged meddling in the 2016 presidential election, calling it a “rigged and disgusting witch hunt”.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2020 TRT World.