Barack Obama stressed that if Russia increased its aggression inside Ukraine, working through separatists, additional steps could be taken by the international community, and that this had been discussed during the summit, Ukraine Today reports. 

Obama also said that Russian President Vladimir Putin had to decide whether he would continue to wreck Russia’s economy by pursuing a wrongheaded desire to revive the Soviet Empire.

See’s video section for more of the latest news from Ukraine in video from Ukraine Today, Ukraine’s 24-hour English-language news channel.