What We're Following This Evening

The latest in Fort McMurray: The United States, Russia, Mexico, Australia, Taiwan, Israel and the Palestinian National Authority have all offered to help Canada fight Alberta’s raging wildfires, CBC News reports. Prime Minister Justin Trudeau said he appreciates the international support, but has declined their offers. More on the fire here.

Bathroom brawl: The U.S. government and North Carolina are suing each other over the state’s controversial law on public bathrooms, which requires transgender individuals to use the room that corresponds with their gender at birth. David explains North Carolina’s case here, and the Justice Department’s case here.

Tomorrow in U.S. presidential primaries: Republicans will vote in Nebraska, and both parties will vote in West Virginia. Bernie Sanders won Nebraska in March.

News from this afternoon here