A German artist purporting to be in possession of Kurt Cobain's ashes is threatening to smoke them as part of a morbid art exhibition.

The late Nirvana frontman's cremated remains were stolen from his widow Courtney Love in May and now Natascha Stellmach is claiming to have "acquired" the ashes.

In a statement announcing her find, Berlin-based Stellmach has also detailed her plans to smoke the ashes as part of the forthcoming Set Me Free exhibition at the city's Wagner + Partner gallery on October 11th.

However, the artist is refusing to say how she came to be in possession of the remains, telling Artworld magazine, "That's confidential and kind of magic. They came to me. And I am setting him free."

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(This news article provided by World Entertainment News Network)