Boaters living in the New Islington marina have been left stranded as their boats lay grounded on the Rochdale Canal - and now they say they know why. Residents have been stuck unable to move at the marina for more than a week as water levels have continued to plummet. Where last month there was free-flowing water seperating their boats, there now lies discarded cones, a mattress and a washing machine on the shallow bed of the canal. The Canal & River Trust, the charity responsible for maintenan