Denmark has accused a Russian warship of firing two emergency flares at one of its helicopters while it was tracking the vessel in the Baltic Sea. The Danish government has summoned the Russian ambassador over the incident, which it said happened during a routine monitoring operation on Monday. Prime Minister Mette Frederiksen branded the Russian action reckless and said it was designed to intimidate and divide. Moscow has not commented on the incident. It came on the same day Nato forces shot down a drone over Lithuania in the latest security scare on the alliance's eastern flank, where tensions remain high during Russia's full-scale invasion of Ukraine.

Germany is pushing for a Baltic Sea rapid-response task force to counter Russian hybrid warfare, including a drone attack on Leipzig/Halle Airport and sabotage threats.

Russia says its forces have struck a railway station at the Ukrainian Danube port of Izmail and two vessels near Mykolaiv, as Ukrainian drones hit targets inside Russia, including a Baltic oil export hub and a warehouse near Moscow. The Russian Ministry of Defence said on Friday that the railway station in Izmail was being used to load, store, and transport military cargo and fuel for Ukraine's armed forces, according to state news agency TASS. The developments follow Russian attacks a day earlier that damaged port infrastructure and caused power cuts in Izmail, a vital export hub on the Danube River near the Romanian border. Meanwhile, Russian authorities said a Ukrainian drone attack triggered a fire at Ust-Luga, a major Baltic Sea oil export port in the Leningrad region. Regional Governor Alexander Drozdenko said the fire had been brought under control and cleared with no casualties reported.

Is the war entering a new phase? A wave of Ukrainian long-range drones has struck the St Petersburg region overnight, hitting an oil terminal and a Baltic Sea port in one of the largest deep-strike operations targeting President Vladimir Putin's home city. Leningrad region Governor Alexander Drozdenko said air defences shot down 72 unmanned aerial vehicles (UAVs) over the region on Saturday. Russian authorities briefly halted flight operations at Pulkovo Airport and throttled municipal mobile internet networks to jam the drones' cellular-backed navigation systems. St Petersburg Governor Alexander Beglov said that one drone crashed in the grounds of the 18th-century Peterhof Palace complex, and another hit an oil terminal in the city's Kirovsky district.

Could Ukraine hold a presidential election right now? Will Europe use frozen Russian assets to fund war? How can Ukraine rebuild China ties? 'Ukraine is running out of men, money and time' Russian forces launched artillery and drone attacks on Ukraine's Dnipropetrovsk region on Saturday, killing a 68-year-old man, wounding three others and causing fires to break out in residential buildings, according to Ukraine's emergency service. Russian shelling also killed another person in the Kramatorsk district of Ukraine's Donetsk region, the service said.

Could Ukraine hold a presidential election right now? Will Europe use frozen Russian assets to fund war? How can Ukraine rebuild China ties? 'Ukraine is running out of men, money and time' Russian forces launched an air attack on Ukraine's capital, Kyiv, on Monday, killing one civilian in the first reported death in the city this year, according to the Ukrainian military. Russia's military also carried out drone attacks on northeastern Ukraine on Sunday, killing at least two people in the Sumy region and wounding three in the Kharkiv region, according to local officials.

Science Archaeology Who built Scandinavia's oldest wooden plank boat? An ancient fingerprint offers clues. Archeologists are closer to solving the Hjortspring Boat's mysteries. Breakthroughs, discoveries, and DIY tips sent every weekday. Archaeologists examining an ancient boat discovered in Denmark over a century ago are getting some help from a clue usually associated with crime scenes .

Environment Animals Wildlife Endangered Species German hairy snails are disappearing from London's River Thames Londoners are scouring riverbanks to save the endangered mollusk. Breakthroughs, discoveries, and DIY tips sent every weekday. Researchers believe that its signature hairs help the strange creature live in its damp, riverside environments by enabling it to sweat off moisture. By wicking off that excess moisture, the slime gets more sticky, so the snail can hold onto the slick riverside debris and the plants it eats. However, the snail needs some extra support.

Scientists are finally learning who was onboard. Preserved machine guns may finally reveal the names of the lost Flying Fortress crew. The B-17 bomber was specifically designed for high altitude, long distance missions. Breakthroughs, discoveries, and DIY tips sent every weekday. A team of marine archaeologists is one step closer to identifying an Air Force crew who lost their lives aboard a B-17 bomber amid the height of World War II .