At 3:12 AM, a message was sent advising people to take cover and call 112 if they spotted a drone.
At 3:45 AM, a new message extended the air threat warning to Lääne- and Ida-Viru counties.
At 5:50 AM, the air threat warning was lifted for southern Estonian counties but remained in effect for Ida- and Lääne-Viru counties.
The Defense Forces' on-duty press representative confirmed to ERR the information sent via notification apps and that similar warnings had previously been issued in Latvia and Lithuania.
A reader of the ERR portal reported that in Kohtla-Järve, there had been over ten NATO fighter jet overflights within half an hour at short intervals.
According to The Kyiv Independent, Ukrainian drones attacked the Ust-Luga port in the Baltic Sea in Russia's Leningrad Oblast late Tuesday night.
Ust-Luga is one of the main ports Russia uses to transport crude oil via a shadow fleet and is located only about 30-40 km from the Estonian border.
According to the Ukrainian monitoring channel Exilenova Plus, an object near the Russian-Estonian border was set on fire, and explosions occurred there.
ERR cannot verify the authenticity of a video purportedly showing a fire in the Ust-Luga port area.
Later, the governor of Russia's Leningrad Oblast, Aleksandr Drozdenko, confirmed via Interfax that a drone had crashed in the Ust-Luga port area, causing a fire.
According to Russia, they destroyed 146 drones over Leningrad Oblast overnight.
St. Petersburg's Pulkovo Airport temporarily suspended all departures and arrivals.
Late Tuesday night into Wednesday, Latvia and Lithuania also issued airspace warnings.
According to the Latvian public broadcaster LSM, NATO patrol mission fighters were activated in Baltic airspace.
In total, air threat notifications were issued in ten Latvian counties.
In Latvia, the air threat warning was lifted at 3:30 AM due to the "object leaving Latvian airspace."
The Lithuanian public broadcaster LRT also reported that late Tuesday night into Wednesday, Lithuanian residents received a warning about a possible drone on Lithuanian territory.
The drone entered Lithuania from Belarus. Warnings were first issued for Vilnius and Utena, followed by the Druskininkai, Lazdijai, Marijampolė, Kaunas, and Panevėžys regions.
In Lithuania, the drone threat warning was lifted at 2:30 AM after the drone had flown on to Latvia.
According to LRT, NATO fighters took off from Šiauliai.
The Finnish public broadcaster Yle reported that the Finnish Defense Forces imposed a temporary flight restriction in the eastern part of the Gulf of Finland.
According to the Defense Forces, this is a precautionary measure aimed at ensuring public safety and the operational conditions for authorities regarding possible drones.
Trilateral peace talks between Ukraine, Russia, and the U.S. will take place in Abu Dhabi on November 10–11.
The news is being updated.