U.S. Secretary of State Marco Rubio announced that Washington would invite Russian President Vladimir Putin to the Dec. 14-15 Group of 20 summit in Miami, Florida, following talks with Russian Foreign Minister Sergey Lavrov in New York, The Kyiv Independent reported on Sept. 23. Meanwhile, speaking at the U.N. Security Council meeting on Ukraine, Lavrov reiterated that Russia would continue fighting during negotiations regardless of their format.