Trump says Putin is 'playing with fire' as Russia makes gains in Ukraine
"I only know of one REALLY BAD thing — WWIII," top Russian security official Dmitry Medvedev said in response to Trump's comments.
US President Donald Trump and Russian President Vladimir Putin hold a bilateral meeting at the G20 leaders summit in Osaka, Japan June 28, 2019.(photo credit: REUTERS/KEVIN LAMARQUE/FILE PHOTO)Updated: 
