Malcolm Turnbull is set to become Australia's 29th prime minister after toppling Tony Abbott 54 votes to 44 in a Liberal leadership ballot at Parliament House in Canberra.
Julie Bishop convincingly defeated Kevin Andrews 70 votes to 30 in a ballot for deputy leader.
Mr Turnbull resigned from Cabinet after today's Question Time and told Mr Abbott he would challenge for the leadership.
The Liberal party room gathered at 9:15pm (AEST) and just over 30 minutes later, the result was announced.
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