U.S. President Donald Trump's decision to ramp up arms shipments to Ukraine is a signal to Kyiv to abandon peace efforts, Russia said on Thursday, vowing it would not accept the "blackmail" of Washington's new sanctions ultimatum.

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions has given the Kremlin extra time to pursue its summer offensive.

Russia’s Defense Ministry claimed that its air defenses had shot down around 122 Ukrainian drones overnight as both countries turn increasingly to aerial assaults, with peace talks between Ukraine and