It comes after police received a report of a cat being injured in the Ninesprings Way area of Hitchin between July 30 and August 6. The cat returned to its owner with a lump on its head and was taken to a vets where rifle pellets were removed, Hertfordshire Police said. It is expected that the cat will make a full recovery, a spokesperson for the force said. They added: "At this time, all lines of enquiry have been exhausted and no suspect has been identified. "Should any new investigative opportunities become available, they will be acted upon accordingly."