But its poll ratings fell after a stroke left Mr Sharon in a coma.

BBC: Livni wins Israel party primary

The 82-year-old has been in a coma since 2006, when he suffered a massive stroke.

BBC: Ariel Sharon: Former Israeli prime minister moved home

The 84-year-old has been in a coma since 2006, when he suffered a massive stroke.

BBC: Ariel Sharon: Israeli ex-PM in coma 'has brain activity'