May 15, 2010 (Saturday)
- Following the phenomenal success of James Cameron's Avatar, a ceremony marking the start of the shoot of China's first IMAX3D film. (Global Times)
- Italy fines Ryanair €3 million for failing to help passengers after cancelling their flights during the Icelandic volcanic crisis as the cloud threatens to wreak more havoc. (Reuters) (BBC) (euronews) (Wikinews) (Radio New Zealand)
- A by-election begins in Hong Kong. (BBC) (Bangkok Post)[permanent dead link]
- Government troops in Thailand continue operations to end anti-government protests by red shirt protestors in the capital Bangkok. (BBC) (Bangkok Post)[permanent dead link]
- Sudanese forces announce they have gained control of a rebel held area in Darfur after killing more than 150 members of the Justice and Equality Movement. (Al Jazeera) (AP) (BBC) (The Times of India) (France24)
- Former Mexican presidential candidate Diego Fernández de Cevallos is abducted from one of his homes in Pedro Escobedo, Querétaro. (El Universal) (Reuters) (Al Jazeera)
- Seven people are charged with public order offences after around 80 people from the éirígí group demonstrate and burn effigies in an anti-NAMA fashion outside Anglo Irish Bank HQ in Dublin. (The Irish Times) (Evening Herald) (RTÉ)
- At least two people are killed and 43 injured after a 5.1 magnitude earthquake strikes Northern Algeria. (Alertnet)
- Google admits it has been mistakenly collecting information people have sent over unencrypted wi-fi networks for the past three years and grounds its Street View cars from collecting wi-fi information. (BBC)
- A fire at the Butantan Institute in São Paulo, Brazil, destroys its entire collection of preserved snakes—the world's largest—and nearly half a million arachnid specimens, including many novel and yet-unclassified species. (The Guardian)