Colby concede six in second half
Rushen put seven past Colby without reply as they went fourth in the Canada Life Premier League.
An imperious second half display saw the hosts net six times after a tight first period which finished 1-0.
Jack Kelly was the star of the show scoring four as Colby lost for a fifth time in succession.
Josh Thomas, Liam Cowin and Aaron Hawley also got in on the act to leave Rushen with firm hopes of a top four finish and their opponents dangerously close to the basement of Manx football's top flight.
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