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.

Ukraine behind new pipeline explosion in Siberia that supplies Russian military-industrial complex, source claims * Russian troops tasked to create 10-kilometer buffer zone in Dnipropetrovsk Oblast, Ukraine's spy chief says * Ukrainian drone strikes reported at Russian MiG plant,

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,

A Russian drone barrage targeted the center of Kharkiv on Friday, injuring nine people and damaging a maternity hospital in Ukraine's second-largest city, officials said.

Donald Trump issued an ominous warning to Vladimir Putin after a maternity ward was struck by drones in Ukraine.The US president responded to news that drones had damaged a maternity hospital in Kharkiv,

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.

Israel and Ukraine have used drones against their adversaries in audacious ways that have helped the Pentagon see the need for new technology.