AIDS Conference Commences Shadowed By MH17 Tragedy

MELBOURNE, AUSTRALIA - JULY 20: (CHINA OUT) (L-R) President-Elect of the IAS Chris Beyrer, president of the IAS Francoise Barre-Sinoussi, UNAIDS Executive Director Michel Sidibe, executive Officer of Living Positive Victoria Brent Allan, Ayu Oktariani, professor Sharon Lewin and Michael Kirby attend a press conference during the 20th International AIDS Conference at The Melbourne Convention and Exhibition Centre on July 20, 2014 in Melbourne, Australia. At least six delegates travelling to the 20th International AIDS Conference were on board the Malaysia Airlines flight MH17 which was reportedly shot down over Eastern Ukraine. Reports that a surface-to-air missile brought the MH17 down remain unconfirmed. (Photo by Visual China Group via Getty Images/Visual China Group via Getty Images)