A man in his 20s has been arrested on suspicion of a double murder after two men were fatally stabbed in Manchester. Police said they were called to Great Southern Street in the Moss Side area of the city at about 5am on Sunday, responding to reports of two people being stabbed. Two men were treated at the scene for their injuries and “despite the best efforts of first responders” were pronounced dead, Greater Manchester police said. Detectives said they were treating it as an isolated incident with no threat to the wider public. No one else is being sought.