The 2015 spill occurred when the truck driver braked hard to avoid hitting a deer and sludge sloshed over the back of the shipping container. The 2016 spill resulted from a faulty seal along the bottom of the container door, company officials told the NRC. In both cases, workers at White Mesa Mill identified the spills while the truck was still parked alongside U.S. 191 and cleaned up the material, according to a report by mill owner Colorado-based Energy Fuels Resources.

Colbert, on his show Wednesday, discussed the fallout from a Trump joke two days earlier that prompted calls to fire him and boycott the CBS “Late Show” advertisers. He said he didn’t regret insulting the president, but that “I would change a few words that were cruder than they needed to be.” He made a reference to the male anatomy when he said of Trump Monday: “The only thing your mouth is good for is being Vladimir Putin’s c— holster.”

The International Olympic Committee has yet to announce a formal ethics investigation into the sheikh, who was widely credited for helping Thomas Bach win the IOC presidency in 2013. The IOC says only that the Sheikh Ahmad case file from the U.S. Department of Justice is being looked into.