Jornal Do Brasilia - Russia says Ukrainian boats destroyed in new Black Sea clashes

Both sides have escalated attacks in the Black Sea since the collapse of the UN-brokered deal, which aimed to ensure safe navigation for civilian grain shipments from Ukraine ports.

Russia has since pounded Ukraine's port infrastructure on the sea and on the Danube river, while Kyiv has attacked Russian ships in its waters and the Crimean Peninsula, which was annexed by Moscow in 2014 despite international condemnation.

Moscow's defence ministry said Tuesday that one of its Sukhoi Su-30sm jets destroyed a Ukrainian "reconnaissance boat" near Russian gas production facilities in the Black Sea.

It later said it also destroyed a US-made speedboat carrying Ukrainian troops east of Snake Island, without providing further detail.

The incidents came after the first civilian cargo ship sailing through the Black Sea from Ukraine recently arrived in Istanbul in defiance of the Russian blockade.

Moscow said last month that it would consider any ships nearing Ukraine in the Black Sea as potential military cargo carriers, following the grain deal collapse.

Separately, the defence ministry said its forces had downed two Ukrainian drones, 40 kilometres (25 miles) northwest of the Crimean peninsula on the Black Sea.

It later said that two fighter jets had been scrambled to intercept two drones over the Black Sea, without specifying which countries had deployed them.

- 'Crime against humanity' -

The reported boat attacks came as funerals were held for the victims of Saturday's Russian missile strike on a theatre in the northern Ukrainian city of Chernihiv.

"I hope we will have the strength to take revenge for Nazar," Ievgenia Ivashentseva told AFP, referring to a 22-year-old victim killed at the entrance of the theatre.

"It is a crime against humanity," added Ivashentseva, Nazar's former teacher.

Meanwhile, the governor of Russia's Bryansk region said Ukrainian "saboteurs" had attempted to break through the Russian border.

Regions bordering Ukraine have reported repeated shelling and attacks from Kyiv's forces, including occasional cross-border incursions by pro-Ukraine armed militants.

The scale of the attack in Bryansk region was not immediately clear.

The Moscow region was meanwhile targeted by Ukrainian drones for a fifth consecutive night, authorities said early Tuesday.

Aerial defence systems downed one attack drone each in the Krasnogorsk and Chastsy areas of the region, mayor Sergei Sobyanin wrote on social media.

AFP journalists in Krasnogorsk saw a high-rise residential building with several windows blown out, debris and a damaged car.

Russia's defence ministry said there had been no casualties in the attack but flights were briefly halted at Moscow's Vnukovo, Sheremetyevo and Domodedovo airports, Russian news agencies reported.

Two other Ukrainian drones were downed over the Bryansk region near the Ukrainian border early Tuesday, Moscow's defence ministry said, adding there were no casualties.

The strikes are the latest in a recent wave of air attacks deep inside Russian territory, including two drones which were shot down near the Kremlin in May.

The aerial threat is also being addressed in the classroom.

Russian teenagers will learn how to operate and counter military drones in the coming school year, according to a curriculum published Monday by the education ministry.

Moscow announced last November that it was reintroducing Soviet-style military training for children from 2023, as it presses ahead with its nearly 18-month offensive in Ukraine.

- F-16s -

The wave of drone attacks in Russia came as Ukrainian forces said they had pushed into the village of Robotyne on the southern front and evacuated civilians in armoured vehicles.

"The Russians are continuously shelling Robotyne with artillery," Ukrainian Deputy Defence Minister Ganna Malyar said on social media.

Ukraine has posted limited gains in its push to dislodge Russian forces from territory and appealed to Western allies for greater military support.

Zelensky had sought the advanced jets for months to strengthen Ukraine's Soviet-era air force as it pursues the grinding counteroffensive against Russian forces in the east and south.

Amid growing concerns about the slow territorial gains of Kyiv's counteroffensive, a top US official said Tuesday that the war in Ukraine had not bogged down into a stalemate.

"No, we do not assess that the conflict is a stalemate," White House National Security Advisor Jake Sullivan said, calling the situation "dynamic".

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S. Alves--JDB