<div style="text-align: justify; "><span style="font-size: 1rem;"><b>A Russian guided air bomb has hit a blood transfusion centre in north-eastern Ukraine, killing and injuring people, Ukraine's president has said.</b></span><br></div><div style="text-align: justify;"><br></div><div style="text-align: justify;">Volodymyr Zelensky said rescuers were now trying to tackle a blaze after the strike on the Kupiansk community in the Kharkiv region on Saturday night.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">"Defeating terrorists is a matter of honour for everyone who values life," he added.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">Russia has so far not publicly commented on the reported attack.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">In a post on social media, Mr Zelensky described the perpetrators as "beasts" who were seeking to "destroy everything that simply allows to live".</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">"This was crime alone says everything about Russian aggression," he said.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">He did not say how many people were killed and injured in the attack.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">The BBC has not been able to immediately verify the report.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">The city of Kupiansk and nearby settlements were seized by Russian troops in the first few days of Moscow's full-scale invasion of Ukraine, launched in February 2022.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">The area was liberated during a lightning-quick Ukrainian counter-offensive last September.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">President Zelensky also said that on Saturday Russia separately carried out a missile attack, targeting an aeronautical company run by group Motor Sich in the western Khmelnytskyi region.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">The Russian strikes come after Moscow accused Ukraine of hitting a Russian tanker with 11 crew members in the Black Sea - the second such sea drone attack in as many days.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">Russian maritime officials said the engine room of the Sig tanker was damaged in the attack in the Kerch Strait. No-one was injured.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">The Kerch Strait connects the Black Sea and the Sea of Azov, separating Crimea - Ukraine's peninsula annexed by Moscow in 2014 - and Russia's Taman peninsula.</div><div style="text-align: justify;"><br></div><div style="text-align: justify;">Ukraine has not publicly commented. But a Ukrainian security service source told the BBC a sea drone had been used. BBC</div><div style="text-align: justify;"><br></div><div style="text-align: justify; ">bnbd24/kh</div>