ITV News' correspondent Martin Geissler has been reporting from the world's second largest refugee camp in Jordan.
One of two million refugees who have fled Syria said he was angry that the world had not done more to stop President Bashar al-Assad from using chemical weapons: "What is the matter with the world? Are they sleeping? Are they drunk? Are they on drugs?"
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Two vehicles were swallowed up by the sinkhole on Sunday night, killing Dora Linda Nishihara and injuring one man.
Elliott Livingstone, aged three, spent most of his life in hospital before the operation in April.
A photo of David Cameron, Barack Obama, Francois Hollande, Angela Merkel and Matteo Renzi demonstrates just how much the world has changed.