Arizona Rep. Trent Franks is resigning from Congress

Arizona Republican Representative Trent Franks is expected to resign from Congress, according to multiple sources including AP, CNN and Roll Call. But his departure was abrupt, and one of the consultants said the 60-year-old Franks was resigning Thursday. It did not elaborate why Franks has chosen to resign. Stay with us online, on social media, and on air for further updates.

Rep. Trent Franks (R-Ariz) (left) during a hearing on the District of Columbia Pain-Capable Unborn Child Protection Act at Rayburn House Office Building in Washington on May 23, 2013.

Leaving the House floor Thursday, Franks did not confirm or deny those plans, telling reporters he would put out a statement later in the day.

An Arizona Republican told the digital political outlet that his resignation is likely tied to unspecified allegations of inappropriate behavior. Franks told Roll Call that he would make a statement on Thursday evening, that will "explain" things.

Franks was first elected to Congress in 2002 and was reelected in 2016 by a 37-point margin. He serves on the House Armed Services Committee and Judiciary Committee. Inside Elections with Nathan L. Gonzales rates the race Solid Republican.