By Australian Associated Press and Candace Sutton and Leesa Smith The International AIDS Conference in Melbourne will open with an on-stage tribute to the MH17 victims as thousands are expected to sign a condolence book at the event on Sunday. 'We are all devastated -  it is a moment of deep sadness for the world,' International AIDS Society president Françoise Barre-Sinoussi said when asked to describe the mood among conference leaders In Melbourne on Saturday. 'The extent of our loss is hard to comprehend and express,' she said. 'Our colleagues were travelling because of their dedication to bringing an end to AIDS.'
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Melbourne AIDS Conference to hold an on-stage tribute to MH17 victims
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Thousands expected to sign condolence book on Sunday
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Six delegates, not the previously reported 100, have been confirmed as aboard flight MH17 en route to an international AIDS conference
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International AIDS Society president Françoise Barre-Sinoussi said there 'might be a few more' than the six confirmed delegates
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Meanwhile, Ukrainian Australians held a candlelit vigil in Melbourne to mourn MH17 victims and to denounce Russian President Vladimir Putin
The sisters described their horror on learning of the tragedy on @placeholder soil, and their anger when Mr Putin had blamed Ukraine for the missile strike.