⚡️'Massive' drone attack on multiple Russian regions ongoing, explosions reported, officials claim.

Ukraine launched a "massive drone attack" on Russia's Bryansk Oblast, Governor Alexander Bogomaz claimed on Telegram overnight on Sept. 10. Air raid alerts were also activated in at least nine different oblasts, various Russian officials reported.

Videos of purported explosions heard over Bryansk Oblast were posted on social media by local residents around 12:30 a.m. local time.

Later in the night, Moscow Mayor Sergei Sobyanin also claimed that three drones had been shot down over Moscow Oblast en route to the capital.