Some conservative members of Donald Trump's "Make America Great Again" movement have reacted angrily to the president's plans to sell weapons to Nato, arguing it is a betrayal of his promise to end US involvement in foreign wars.

NATO Secretary General Mark Rutte warned on Wednesday that countries such as Brazil, China and India could be hit very hard by secondary sanctions if they continued to do business with Russia.

President Trump discussed how he came to give up on negotiating with Vladimir Putin, during a meeting with NATO Secretary General Mark Rutte at the White House on Monday, as the U.S. agrees to sell ne...