Follow CBSDFW.COM: Facebook | Twitter

WASHINGTON (AP) – The leaders of a congressional inquiry into Russia’s efforts to sway the U.S. election are asking the Justice Department to provide information related to President Donald Trump’s wiretapping allegation.

READ MORE: Domestic Violence Incident Involving Gunfire Led To Dallas Apartment Gas Explosion, Court Documents Show

In a letter sent Wednesday, Sens. Lindsey Graham of South Carolina and Sheldon Whitehouse of Rhode Island are seeking any warrant applications and court orders that could show the Obama administration tapped Trump’s phones during the presidential campaign.

The letter went to Acting Deputy Attorney General Dana Boente and FBI Director James Comey.

READ MORE: Video Shows Women Kidnapping Toddler From Garland Hotel

Graham, a Republican, and Whitehouse, a Democrat, say Congress “must get to the bottom” of Trump’s allegation.

They say they would take very seriously any abuse of wiretapping authority for political reasons. They also say they’d be alarmed if there were a legally authorized wiretap of Trump.

MORE NEWS: Small Plane Overturns At Dallas Executive Airport

(© Copyright 2017 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)