Thames Water boss says leakage targets 'not realistic'

The boss of Thames Water is Chris Weston. He says some goals for stopping leaks are too hard. He wants to do better, but he thinks these goals cannot be reached. Thames Water is a big company that gives water to many people. They have targets to fix leaks, but Chris Weston says these targets are not realistic. He wants to improve, but he thinks some goals are not possible now.