Russian airstrikes on Ukraine’s western city of Lviv overnight killed at least seven people, including children, and injured at least 38 people, regional officials said on Wednesday. Lviv Mayor Andriy Sadovyi said that three of the dead were children. A residential building in the city centre near the train station caught fire. Two schools in the town, just 70 kilometres from the Polish border, were also damaged. Polish Prime Minister Donald Tusk offered assistance in reconstructing buildings in Lviv following the airstrikes. “Lviv needs help! The target of the Russian attack was the city cent…