The tank, filled with a toxic chemical, is at risk of explosion or breach. More than 40,000 residents remain under evacuation orders.

Detroit-based automakers pioneered open trade between Canada and the United States, benefiting both countries. President Trump’s trade war now leaves their future in the country in question.

Shots were fired near the northwestern corner of the White House complex, while President Trump was inside the building. The Secret Service returned fire, killing the gunman.