Shock wave damages facade of the Lukyanivska metro station in Kyiv early on March 15.

Iranian Rear Admiral Hassan Maqsoudlou said the drills reflect both countries' focus on the regional situation.

Russia launched 37 drones at Ukraine overnight, the Air Force said, of which Ukrainian air defenses intercepted or jammed 29.

Moldovan authorities said investigative measures began at 6 a.m. local time.

Ukraine reportedly struck an oil depot in Russia's Pskov Oblast and launched missiles at the Russian city of Belgorod, causing power outages in parts of the city, Telegram news channels and local authorities reported overnight Feb. 18-19.

The reported number includes 830 casualties that Russian forces suffered over the past day.

The decision escalates tensions between Kyiv and two of the EU's most Russia-friendly governments.

"Thousands, dozens of thousands of Ukrainians have been killed on this direction, defending this part of Ukraine," Zelensky said in an interview with British broadcaster Piers Morgan. "We have to understand that Donbas is a part of our independence."

"We agreed to continue and move forward," President Volodymyr Zelensky said.

The alleged raid was described by Zaluzhnyi as "an act of intimidation," according to AP.