As President Donald Trump and Congress battle over Trump's demand for a wall on the southern U.S. border, the 3-week-old partial government shutdown has stopped federal work on toxic sites except for cases where the administration deems "there is an imminent threat to the safety of human life or to the protection of property."
The partial government shutdown dragged into a 20th day with hundreds of thousands of federal workers off the job or working without pay as the wall fight persisted.