Iris Stalzer, 57, was left fighting for her life after being found stabbed in her apartment in Herdecke, just a few weeks after her adopted daughter lunged at her with a knife View 4 Images Iris Stalzer was left fighting for her life

The adopted teenage son of a newly elected town mayor has been arrested after she was "stabbed 13 times" in a frenzied attack . Iris Stalzer, 57, was found in her apartment in Herdecke, Germany, with multiple stab wounds to her back and stomach.

She was left fighting for her life in the horror attack, which happened just weeks after her adopted daughter allegedly lunged at her with a knife at their flat.

Her 15-year-old adopted son is said to have found her seriously wounded inside her home. He was led away in cuffs by cops to be quizzed, witnesse

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