DUP councillor Brian Kingston joined the group of more than 20 residents at the Edenderry industrial estate on the Crumlin Road.
Pictures by Pacemaker and Presseye
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Used mattresses, medical equipment, food waste and gas bottles are just some of the dumped waste.
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A Northern Ireland Environment Agency spokesman earlier said it is investigating the "unauthorised disposal and treatment of controlled wastes" at Edenderry Industrial Estate and the unauthorised disposal of controlled wastes at a site adjacent to the junction of Hillview Road/Crumlin Road.
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DUP councillor Brian Kingston said the Environment Agency is to remove the rubbish that has been dumped at one site, while it has engaged with the owner of the second site and secured a commitment that the waste there will be cleared.
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The NIEA said the agency are currently making arrangements for the waste deposited on the latter site to be removed.