By Simon Murphy Christine Avery’s life changed in an instant when she was hit by a motorbike while crossing the road in 2019 and had to have a leg amputated. Now, the 93-year-old great-grandmother, who has mixed dementia and is unable to walk or talk, is in a home, requiring round-the-clock help. But her daughter, who has power of attorney, faces court action over arrears of a £50,000 care bill and at one point felt Christine faced removal. Home owner MACC Care instructed lawyers to recover the outstanding debt and they have threatened that proceedings could follow if the bill is not settled b…