By Kieren Williams Police are investigating after human bones were discovered along a residential road, near Birmingham Airport. Officers from West Midlands Police were alerted to a discovery off Digby Drive, Marston Green, around 5.30pm yesterday. A member of the public had unwittingly discovered the bones – which police confirmed were those of an adult. Police are now investigating the shocking find, including carrying out specialist forensic tests which they caution could take some time. In a statement, shared on social media, Solihull Police said: “We were called to land off Digby Drive, M…