An injured Novak Djokovic has quit after dropping the first set of his Australian Open semifinal against Alexander Zverev.

President Donald Trump is heading to hurricane-battered western North Carolina and wildfire-ravaged Los Angeles.

Thousands of anti-abortion activists are coming to Washington for the annual March for Life, seeking to build momentum after a string of victories and maintain pressure on legislators.

Outgoing Canadian Prime Minister Justin Trudeau says prices for Americans will go up if President Donald Trump follows through with his vow to apply sweeping tariffs on Canadian products.