Trump also told the crowd on Thursday he wants to work towards cutting nuclear arms, adding that he thought Russia and China might support reducing their own capabilities.

At the World Economic Forum, Trump promises tax cuts for U.S. manufacturing and threatens tariffs. Explore his economic strategy and global implications.

MOSCOW - Moscow's air defense systems were actively engaged in repelling a wave of Ukrainian drone attacks in the early hours of Friday, Moscow Mayor Sergei Sobyanin wrote on his Telegram channel.