Between January and June, the number of Russian drone and missile attacks exceeded 23,000, a roughly 605% increase compared to the same period last year.

In addition to the back-to-back, mammoth overnight strikes, other Russian attacks killed at least 21 civilians across Ukraine on July 7-10. In eastern Donetsk oblast, or region, Russian artillery shelling and drone attacks resulted in 15 civilians deaths,

The more drones in a single attack, Kuzan says, the more Ukraine hard-pressed air defence units struggle to shoot them down. This forces Kyiv to fall back on its precious supply of jets and air-to-air missiles to shoot them down.

Trump said he would end the war in Ukraine within his first 24 hours in office. His patience with Russia's Putin now appears to be wearing thin.

Officials say a Russian drone barrage has targeted the center of Kharkiv, injuring nine people and damaging a maternity hospital in Ukraine's second-largest city.

Is the era of the $1 million missile a thing of the past, to be replaced by a sky filled with $20,000 drones? The most recent escalation of Russia’s air war against Ukraine implies the economics and engineering of war are being redefined at breakneck speed.