Russia hasn't said a word about it.
That's everything we know.
Why this mattersSo why does this strike matter more than it looks?
Because Russia built a weapon for exactly this job.
Sergiy Beskrestnov, an adviser to President Volodymyr Zelensky on defence technology, said a day before the strike that Russia had used a new jet-powered drone for the first time. It carries a 40-kilogram warhead with four strike modules. It's designed to cut through steel bridges and high-voltage power pylons.
He wrote on Telegram that he believed Russia was about to go after the power grid's transmission lines.
That's Ukraine's own defence adviser warning about this exact kind of target, a day before it happened.
These jet-powered drones are faster than the Shahed-style drones Russia has used through most of the war. And they're harder for Ukraine's air defence to shoot down.
The Southern Bridge carries metro trains and road traffic across the Dnipro River. It connects Kyiv's eastern and western banks.
So could one strike bring it down? Probably not. A Ukrainian transport engineer says bridges like this are built with a safety margin. One or two strikes are unlikely to destroy it. She points to the Antonivka Bridge in Kherson and Crimea's Kerch Bridge, both hit repeatedly and both still standing. Repairs would be costly, but not necessarily slow.
This didn't happen alone, either.
Hours earlier, a separate Russian drone hit a school in Kyiv's Solomianskyi district and started a fire. Children and teachers were in a shelter. Nobody was hurt. Volodymyr Zelensky said Russia must be held accountable for hitting schools.
A day before that, a drone hit the grounds of Ukraine's Institute for Nuclear Research in Kyiv. The test reactor there has been shut down since 2022. It wasn't damaged.
And the numbers are climbing. Ukraine's air force says Russian drone strikes rose to 3,177 in September. That's up from 2,850 in August. The day before the bridge was hit, Kyiv sat under one of its longest air raid alerts of the whole war, lasting almost 13 hours. Ukraine says that overnight barrage marked the start of a deliberate campaign to wreck the power grid before winter. Russia has openly targeted Ukraine's energy sector since its full-scale invasion began in February 2022.
So what don't we know? How many of these cutting-warhead drones Russia has actually built. Whether Ukraine's air defence, F-16s included, can stop them before they land. Russia hasn't said anything about the bridge at all.
Right now, the trains are running again.
But Ukraine now knows Russia has a weapon built to take its bridges down. And it's just used one for the first time.
