At least three people were killed after Russia launched a major offensive on Ukraine with drones and missiles overnight into Friday, Ukrainian officials said. Russian forces struck critical infrastructure in the western city of Lviv using an unidentified ballistic missile, said mayor Andriy Sadoviy. The Western Command of Ukraine's Air Force later said the missile traveled at a speed of 13,000km (more than 8,000 miles) per hour, and that the specific type of rocket was being investigated. Just