Following Ukraine’s surprise ground attack into southern Russia this week, at least 14 people died on Friday in a Russian missile attack on a supermarket in Ukraine’s eastern Donbass region. Authorities said around 40 people were also injured in the daytime attack in the city of Kostiantynivka, located just over 10 kilometres from the front line between Ukrainian and Russian troops. “A strike by Russian terrorists on an ordinary supermarket and a post office. People are under the rubble,” Ukrainian President Volodymyr Zelensky wrote on Telegram. Rescue operations were ongoing, Zelensky said, e…