US wire, breaking news desk

NBC News reported the attack as one of Ukraine's heaviest drone bombardments of Russia, noting the previous record was 556 drones on May 17, and quoting Ukrainian officials on the strategic rationale of targeting Russian energy and industrial infrastructure at extended range.

“Ukraine unleashed one of its heaviest drone bombardments of Russia with 660 drones, surpassing the previous record of 556 drones set in May.”