Negotiators from Russia and the United States have met in the US city of Miami as Ukrainian President Volodymyr Zelenskyy urged Washington to ramp up the pressure on Moscow to end its war on Ukraine.The meeting on Saturday took place between Russian President Vladimir Putin’s special envoy, Kirill Dmitriev, and US President Donald Trump’s special envoy, Steve Witkoff, and his son-in-law, Jared Kushner.Recommended Stories list of 3 itemsend of listDmitriev told the reporters the talks were positive and would continue on Sunday.“The discussions are proceeding constructively,” said Dmitriev. “They began earlier and will continue today, and will also continue tomorrow.”Earlier, US Secretary of State Marco Rubio had said that he may also join the talks in Miami. He said that progress has been made in discussions to end the war, but there is still a way to go.“The role we’re trying to play is a role of figuring out whether there’s any overlap here that they can agree to, and that’s what we’ve invested a lot of time and energy [on], and continue to do so,” Rubio said. “That may not be possible. I hope it is. I hope it can get done this month, before the end of the year.”Trump’s envoys have for weeks been negotiating a 20-point peace plan with Ukrainian, Russian and European officials.While US officials say they have made progress, major differences remain on the issues of territory and possible security guarantees that Kyiv say …