CANBERRA, AUSTRALIA - FEBRUARY 09: Prime Minister Tony Abbott and Minister for Foreign Affairs Julie Bishop walk to the party room at Parliament House on February 9, 2015 in Canberra, Australia. Liberal party Senators and MPs will today vote on a motion to spill the leadership which, if passed, will declare the role Prime Minister and Deputy Prime Minister vacant until new leadership is nominated. (Photo by Stefan Postles/Getty Images)
