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.

In June, Russia's Defense Ministry reported downing a total of 2,368 Ukrainian drones, with an average of almost 79 drones per day across the month. Thus far in July, the Defense Ministry said it has downed 1,516 Ukrainian drones, with a daily average of 89 drones.

Russia attacked cities across Ukraine with hundreds of drones and a missile strike, hitting energy infrastructure and wounding at least 15 people.

Russia and Ukraine have exchanged more bodies of their war dead, a Kremlin aide said on Thursday, part of an agreement struck at the second round of peace talks in Istanbul in June.

Russia launched four missiles and 136 drones into Ukraine overnight into Monday morning, according to Ukraine's air force.

Ukraine says it will give defense firms a detailed report of how their weapons tech fares in combat against Russia's troops.

Ukraine’s military commander in charge of the country’s drone warfare program urged the US and NATO countries alike on Wednesday to learn from Kyiv’s use of the technology on the battlefield so in the future there are not “hard questions from your children [about] when [their] father will come back.