Mother-of-four Mrs McGuinness , 47 , devastated after home was trashed . Her daughter 's friend had posted on Facebook that the house was empty . Around 50 teenagers turned up at the house and wrecked it during party . Karen McGuinness said yobs caused thousands of pounds worth of damage .
Mother-of-four Karen McGuinness , 47 , devastated after home was trashed . Her daughter 's friend had posted on Facebook that the house was empty . Around 50 teenagers turned up at the house and wrecked it during party . Mrs McGuinness said yobs caused thousands of pounds worth of damage .