Kevin Rudd's first official overseas visit as Prime Minister was to Indonesia in December 2007 for the UN Framework Convention on Climate Change, then visited Australian troops serving in Iraq and Afghanistan. In February 2008, he visited East Timor following the assassination attempt on the President of East Timor, Dr José Ramos-Horta, and in March 2008 travelled to Papua New Guinea and the Solomon Islands. The Prime Minister of the Solomon Islands, Dr Derek Sikua, was also the first foreign head of government Mr Rudd received as Prime Minister. In April 2008, Rudd signed Australia to the global Millennium Development Goals Call to Action.