Earl of Shrewsbury is fifth peer to face an inquiry after Guardian reporting into upper houseThe House of Lords watchdog has launched an investigation into a Conservative hereditary peer who admitted he “erroneously” made claims last year for travel expenses he did not incur. He is the fifth peer to face an inquiry after Guardian reporting into the upper house.The Earl of Shrewsbury is being examined for a potential breach of rules after revelations he received reimbursement for mileage for four journeys between his home in Derbyshire and Stafford station, which he cannot have made as he was either in