Ukrainian President Volodymyr Zelenskiy has thanked Ukraine's Security Service and naval forces for their role in what he called the destruction of a Russian air-defense system in occupied Crimea.
"I thank you for today's triumph," he said during his nightly video address on September 14, referring to the destruction of Russia's Triumf air-defense system. "Very significant, well done!"
Ukraine's military again heavily targeted the Crimean Peninsula, which was illegally annexed by Russia in 2014 and is a key objective in Kyiv's ongoing counteroffensive against Russian forces in Ukraine's south and east.
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The reported destruction of the air-defense system came a day after Ukraine heavily damaged two Russian warships in Crimea.
A Ukrainian intelligence source told Reuters that the air-defense system near Yevpatoria was destroyed in what he said was an overnight drone and missile attack conducted by Ukraine's Security Service and navy.
Commenting on the explosions in and around Yevpatoria, Ukrainian military spokeswoman Natalia Humenyuk told RFE/RL's Ukrainian Service that all sites struck in Crimea were linked to "Russia's aggression."
Videos and photos posted on social media showed what was claimed to be explosions in and around Yevpatoria in western Crimea.
The Russian Defense Ministry had said earlier that it had thwarted a Ukrainian drone attack on Crimea, destroying 11 drones. It also said it had halted an attack by five underwater drones on the patrol ship Sergei Kotov in the Black Sea.
In Russia's Kursk region, alleged Ukrainian shelling killed one man and damaged power supply lines, regional Governor Roman Starovoit said in a post on Telegram.
Earlier, the Russian military and news agencies reported that Russian antiaircraft units had downed alleged Ukrainian drones over Bryansk and Belgorod, two regions in southern Russia that border Ukraine. No casualties or damages were reported in those incidents.
Meanwhile, in Ukraine, a child was killed in Russian shelling in the south of the country.
The regional prosecutor's office said a 6-year-old boy was killed and four other people, including his 13-year-old brother, were wounded by Russian shelling in the village of Novodmytrivka in the Kherson region.
"Enemy shells hit a private house and its territory," it said in a statement on Telegram.
The Ukrainian Air Force Command said on September 14 that it downed 17 out of 22 Russian drones overnight in the Mykolayiv, Zaporizhzhya, Dnipropetrovsk, and Sumy regions of the country's south and north.
Earlier, explosions were reported in Russian-occupied Crimea and traffic across the bridge connecting the Ukrainian peninsula to Russia was temporarily halted as Russia's Defense Ministry claimed it had thwarted a Ukrainian drone attack.
Russian air defenses destroyed 11 hostile drones over Crimea early on September 14, the RIA Novosti news agency reported, citing the Russian Defense Ministry.
WATCH: A large fire was reported at the Sevastopol shipyard in Russian-occupied Crimea early on September 13 after what the Russian Defense Ministry said was a Ukrainian attack.
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Explosions At Sevastopol Shipyard In Russian-Occupied Crimea
The latest attacks come a day after two Russian military vessels were seriously damaged in a large-scale Ukrainian military strike on a ship repair base in Crimea's Sevastopol, the main base for Russia's Black Sea Fleet.
WATCH: Remotely piloting fast, light FPV (or first-person view) drones, a Ukrainian aerial attack unit has become adept at chasing down Russian targets.
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First-Person Firepower: Ukrainian Drone Unit Hunts Down Russian Armor
Reuters quoted a Ukrainian intelligence official as saying one large vessel and a submarine were struck in the attack and were likely damaged beyond repair.
"Those are significant damages. We can now say that with a high probability they are not subject to restoration," Andriy Yusov confirmed to Reuters without specifying the weapons used for the strike.
Britain's Sky News reported that Kyiv used U.K.-provided Storm Shadow long-range cruise missiles in the attack, citing unnamed Western and Ukrainian sources.
Crimea.Realities, a regional news outlet of RFE/RL's Ukrainian Service, reported that at least seven blasts were heard at the site, with shock waves breaking windows and bright flashes and smoke visible in the sky.
The strategic shipyard on the peninsula builds and repairs ships and submarines of the Russian Black Sea Fleet. The fleet has launched numerous drone and missile attacks on Ukraine.