The large-scale attack comes days after Trump says Putin had "very strongly" promised response to Ukraine "Spider web" attack.

Ukrainian drones struck two Russian airbases, a fuel depot and a missile and aviation plant overnight, Ukraine’s military claimed Friday, as both sides ramp up long-range attacks. “A successful strike was carried out on the Engels airfield in the Saratov region,

Capital city Kyiv among targets, as massive aerial barrage leaves at least four dead, including emergency responders, and wounds dozens, including doctors.