Trump's comments came shortly after Iranian president Hassan Rouhani warned of "severe consequences" if the administration "betrays the deal."
"Words can't explain the dimension of this madness," director Guillermo del Toro tweets. "The 'why' is unthinkable, the 'how' is terrifying."
Kate Middleton gave birth to a boy on Monday — her third child with Prince William. The baby boy is fifth in line to the throne.
Police said Monday afternoon's van attack in downtown Toronto "definitely looked deliberate," but downplayed any potential connection to terrorism.
Cosby, 80, is charged with three counts of aggravated indecent assault against Andrea Constand.