The U.K.’s competition watchdog has found that a subsidiary of Pfizer Inc. and a generics firm jacked up the price of a life-saving epilepsy drug by up to 2,600%, fining them a total of £70 million (US$83.72 million). The Competition and Markets Authority’s decision is part of a long-running dispute against subsidiary Pfizer Ltd. and the generics firm Flynn Pharma Ltd.