TK Maxx is warning shoppers to stop drinking from Harry Potter mugs 'immediately'. The retail giant is recalling the Potter and South Park mugs, with product codes 013167 and 596096, because they don't meet safety standards for materials intended to come into contact with food or drink.

The Harry Potter mug from Blue Sky Designs Limited allowed Potterheads to 'create their own Hogwarts' thanks to 13 reusable stickers that came with it. Meanwhile South Park fans could enjoy a brew in the company of Cartman and Kenny.

But the recall on both mugs was triggered when testing revealed the coating may release levels of heavy metals that exceed safe limits, potentially posing a health risk if used with food or drinks.

The Harry Potter mug that has been recalled (Image: Kennedy News/TK Maxx)

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