The 12-mile bridge has served as a key auto and rail supply line from Russia into Crimea. A Ukrainian official said the incident was just "the beginning," but stopped short of taking credit.
Russian missiles ruptured Mykolaiv's pipelines. They stretch across territory under Russian control, making it impossible for municipal workers to repair them. With winter coming, worries are rising.
While the Ukrainian organization that won is celebrating, many Ukrainians are upset they need to share the award with countries that have been aggressive against them.
If you are following events in Russia and Ukraine closely, you could be forgiven for wondering if Vladimir Putin has backed himself into a corner. So, where does this leave him?
The Russian president signed what he calls "accession treaties" that world powers refuse to recognize. It's his latest attempt to redraw the map of Europe at Ukraine's expense.
The Kremlin says Russian President Vladimir Putin intends to formally annex four territories from Ukraine on Friday, following staged referendums that were condemned by the West.
While Ukraine's counteroffensive this month was hailed as stunning by military observers, Ukrainian troops tell NPR that Russian forces put up stiff resistance in parts of the Kharkiv region.
Separatist leaders in occupied areas of Ukraine moved to join the Russian Federation — after claiming that the people there had chosen to join Russia, in referendums denounced by the West as a sham.
The so-called referendums — which Ukraine, the U.S. and others have denounced as shams — are widely viewed as an initial Kremlin move toward formal Russian annexation of the territories.
Men are fleeing Russia by land or air days after President Vladimir Putin said he was mobilizing more forces into Ukraine. NPR met Russians arriving in Turkey, where they don't need visas to enter.
Russians held scattered demonstrations across the country on Saturday despite threats of arrest and a heavy police presence. The Kremlin has ordered 300,000 more troops for the war in Ukraine.
The mobilization of thousands more troops to bolster the military campaign in Ukraine is rippling across Russia, as the military swiftly drafts new recruits and signs of discontent appear to spread.