Russian Foreign Minister Sergey Lavrov rejected proposals Monday floated by President-elect Trump’s allies to end the war in Ukraine, dealing a major setback for the incoming president’s hopes to freeze the conflict.

Russia’s foreign minister Monday rejected the peace proposal being floated around by President-elect Donald Trump’s team to end the war in Ukraine. Foreign Minister Sergey Lavrov said Moscow was appalled over reports that Trump and his aides were considering pushing a peace deal that would keep the door open for Ukraine to join NATO.

Russia early Wednesday morning launched a drone strike on the Ukrainian capital, Kyiv, injuring no fewer than three people and damaging buildings in two districts. City officials said explosions boomed across the morning sky shortly after Ukraine’s air force warned of drones approaching the city.

Russia launched an aerial attack on Ukraine on Tuesday, striking the capital and other regions with multiple missiles and drones. Ukraine's air force reported a ballistic missile threat at 3:00 a.m. (0100 GMT),