• More from Washington.

• People close to President Trump say he has entertained the idea of firing Robert Mueller, the special counsel leading an investigation into possible collusion between the Trump campaign and Russia. On Tuesday, the White House said that, while the president “has every right” to fire him, “he has no intention to do so.”

• The president must also decide whether to veto new sanctions against Russia, which are partly a response to election interference that he has said is a fiction.

• Defense Secretary Jim Mattis has been given the authority to determine troop levels in Afghanistan, officials said, meaning more American forces could be sent to a war he acknowledged the U.S. was “not winning.”

• Nearly 200 Democratic members of Congress are expected to file a lawsuit today accusing the president of illegally profiting from business dealings with foreign governments.

• Last month, Mr. Trump praised a House attempt to repeal the Affordable Care Act as a “great plan.” On Tuesday, he called it “mean.”

• Deadly blaze in London.

At least 12 people were killed and dozens were taken to hospitals after a high-rise apartment building was engulfed in flames overnight. Officials warned that the toll would certainly rise.