The president's remarks come just two weeks before the Nov. 3 election, in which he faces a steep uphill reelection battle against Democratic rival Joe Biden.

The fire started in the boat's salon, where divers had plugged in phones and other devices. Investigators pointed to the lack of a night watchman as a reason for high casualty numbers.

"This brutal and brazen crime was the culmination of weeks of planning and conspiratorial actions," says a lawsuit filed in a U.S. court Tuesday.

But Dr. Francis Collins says it's unlikely a vaccine will be approved before late November. He also urges people to trust health experts like Anthony Fauci who "don't really have an ax to grind."