Royal and World Leaders Attends the Supporting Syria And The Region London 2016 Conference on February 4, 2016 in London, England.

The Emir of Kuwait, Sheikh Sabah al-Ahmad al-Sabah, arrives at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England.

British Prime Minister David Cameron (L) talks with UN Secretary-General Ban Ki-moon (2nd L) after arriving at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England.

ritish Prime Minister David Cameron (L) talks with UN Secretary-General Ban Ki-moon (2nd L) after arriving at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England. 

Queen Rania of Jordan (R) arrives at the QEII centre in central London on February 4, 2016, to attend a donor conference entitled 'Supporting Syria & The Region'. World leaders gather in London on Thursday to try to raise $9 billion (8.3 billion euros) for the millions of Syrians hit by the country's civil war and a refugee crisis spanning Europe and the Middle East.

Queen Rania of Jordan (L) arrives at the QEII centre in central London on February 4, 2016, to attend a donor conference entitled 'Supporting Syria & The Region'

British Prime Minister David Cameron arrives at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England.

UN Secretary-General Ban Ki-moon arrives at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England. 

Australian Minister for Foreign Affairs Julie Bishop (L) arrives at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England. 

Qatar's First Lady Sheikha Mozah bint Nasser al-Missned (L) arrives at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England. 

Qatar's First Lady Sheikha Mozah bint Nasser al-Missned (L) arrives at the 'Supporting Syria Conference' at The Queen Elizabeth II Conference Centre on February 4, 2016 in London, England.

Qatar's Sheikha Moza bint Nasser speaks during the first focus event on education at the 'Supporting Syria and the Region' conference at the Queen Elizabeth II Conference Centre on February 4, 2016 in London, England.