To play this video you need to enable JavaScript in your browser. Figure caption, Ukraine's military has shared video of a naval drone strike on a Russian tanker Ukraine's military has intensified its attacks near Russian-annexed Crimea, following up strikes on Russia's land corridor to the peninsula by targeting maritime supply routes as well. Ukraine's drone force commander Robert Brovdi, also known as Magyar, says at least 25 ships have been hit and set on fire over the past four days in the Sea of Azov, the inland sea linked to the Black Sea by the Kerch Strait. Such losses in so short a time are a clear blow to Russia's naval capability as well as Vladimir Putin's guarantee of maintaining fuel supplies. These attacks appear to be the latest phase of Ukraine's self-declared logistics lockdown which aims to choke off supplies and routes into and out of occupied Crimea.

Ukraine's president plans to use the Nato meeting in Turkey to urge Kyiv's allies to deliver the air defence systems it urgently needs to protect it from escalating Russian attacks. Volodymyr Zelensky's call for help rings with extra intensity after Russian missiles rained down on the Ukrainian capital twice in less than a week, crashing into blocks of flats and killing more than 50 civilians. The summit in Ankara will also be a chance for Zelensky to hold a crucial meeting with Donald Trump and press home his case that Russia's brutal attacks are a show of weakness, not strength, and that Vladimir Putin should be pressured into talks towards a dignified peace. The latest strikes on Ukraine come as it has been stepping up its own long-range drone attacks against Russia, hitting oil refineries and military targets there and causing significant fuel shortages and power cuts. To play this video you need to enable JavaScript in your browser. Russian social media accounts are full of videos of people queuing for hours to buy petrol and fighting over what little they're allowed.

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In Russia, the impact of Ukraine's missile and drone strikes on energy infrastructure from Moscow to the Black Sea and beyond has long been evident. Drivers in the Russia-annexed Ukrainian peninsula of Crimea banned from filling their tanks so priority can be given to military vehicles. But such is the gravity of the situation it has now been explicitly acknowledged by President Vladimir Putin for the first time. Over the weekend, Russia's president discussed the crisis with senior officials and oil executives. And in public remarks, he was unusually frank. You're well aware that problems persist for both motorists and businesses, he told the meeting.

Is the war entering a new phase? Russian missile and drone strikes on Ukraine have killed at least eight people and wounded 34 others, Ukrainian authorities say, as President Volodymyr Zelenskyy condemned the "horrific attacks". Zelenskyy said on Monday that at least five people were killed and 28 wounded in a Russian missile attack on Dnipro city, an industrial hub around 100 km (62 miles) from the front line, that is regularly targeted by Russian forces. He posted images of a building with shattered windows and a blurred photo of a body lying near a stairwell. "People have traumatic brain injuries, shrapnel wounds, fractures and blast trauma," he said.

Is the war entering a new phase? Russia-Ukraine war: Why has Putin rejected limits on long-range strikes? Russian President Vladimir Putin says Moscow will continue its more than four-year-long war on Ukraine, rejecting Kyiv's proposals to limit the use of long-range missiles and stop hostilities. In an interview with Russia's state television service on Sunday, Putin said Ukraine had proposed a mutual halt to long-range attacks as a step towards peace. But the Russian president suggested this proposal was made because Kyiv's forces were under pressure along the 1,250km (775-mile) front line.

Is Vladimir Putin Finally Feeling Pressure? The Russian President is facing growing domestic discontent after a series of successful attacks by the Ukrainian Army, including a major attack on Moscow. The war in Ukraine, which not long ago seemed to be turning in favor of Vladimir Putin's invading Russian Army, appears to have undergone another reversal. Thanks in part to its drone campaign, the Ukrainians have, according to some analysts, " turned the tide," putting pressure on Putin to potentially accept a ceasefire in the coming months. At the same time, there have been bubbles of discontent forming within Russia, over the cost of the war and government crackdowns on internet access. To understand what might be happening in Russia, and how the Putin regime might respond, I recently e-mailed several rounds of questions to Tatiana Stanovaya, a senior fellow at the Carnegie Russia Eurasia Center, and the founder of the political analysis organization R.Politik. Our conversation, edited for length and clarity, is below.

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Police in Poland are investigating the execution-style murder of a Russian artist and vocal critic of President Vladimir Putin. Polish prosecutors said Robert K, known as the artist Semyon Skrepetsky, was shot dead on Monday morning in the Polish city of Biała Podlaska, about 40km (25 miles) from the Belarusian border. The 44-year-old was shot five times in the head, chest and back in a car park in the city, located about 600m from the Belarusian consulate. He was known for his caricatures of politicians, including Putin, Belarusian leader Alexander Lukashenko and Chechen leader Ramzan Kadyrov. Marcin Kozak, spokesman for the District Prosecutor's Office in Lublin, said the artist was approached by an unidentified gunman who fired two shots at him.

Throughout his time as Russian President, Vladimir Putin has been alert to the power of visual imagery. The first time I interviewed him in 2001, an aide swooped in just before the cameras went live and snatched away the small water glasses on the table in front of us. Why did you do that? We wouldn't want anyone to think they were for vodka, came the reply. And anyway, we can't risk a glass spilling live on TV.