24 hours in pictures

Benghazi, Libya: Rebel volunteers crawl on their stomachs during a military training course before going to the frontline Photograph: Rodrigo Abd/AP

London, UK: MCC members queue outside Lord's cricket ground before the start of the test match against Sri Lanka Photograph: Anthony Devlin/PA

Madrid, Spain: Images of the Virgin Mary adorn a bullfighter's tie during a corrida Photograph: Daniel Ochoa de Olza/AP

Oxon Hill, US: Nicolas B Rushlow, 13 is embraced by his mother Michelle after being eliminated during the semifinals of the 2011 National Spelling Bee. Rushlow spelled 'drusy' incorrectly. Photograph: Pablo Martinez Monsivais/AP

Chengdu, China: A tiger looks at zoo keepers carrying out an escape drill at Chengdu Zoo Photograph: China Daily/Reuters

Istanbul, Turkey: A protester is arrested by police during a demonstration against Turkish prime minister Tayyip Erdogan Photograph: Bulent Kilic/AFP/Getty Images

Chicago, US: Myra Rodriguez (left) waits as her bride Janeida Rivera poses for pictures with members of the wedding party after exchanging vows in a Civil Union ceremony in Millennium Park Photograph: Scott Olson/Getty Images

Madrid, Spain: A demonstrator wets his hair in a fountain at Puerta del Sol Photograph: Pedro Armestre/AFP/Getty Images

Mogpog, Philippines: A man uses a headlamp to fish at sunset on Marinduque island Photograph: Erik de Castro/Reuters

Beijing, China: An injured child receives treatment at a hospital after a car crashed into a group of students killing three and injuring 21 Photograph: AFP/Getty Images

Sana'a, Yemen: Fire and smoke rise over the city during clashes between Hashid fighters and security forces Photograph: Mohammed Hamoud/AP

Kampala, Uganda: Women pray at the doors of the Martyrs shrine Photograph: Marc Hofer/AFP/Getty Images

Grafing, Germany: A man lifts a 250kg stone during a traditional Bavarian stone-lifting competition called Steinheben Photograph: Michael Dalder/Reuters

Boston, US: Sarah Palin, left, poses with impersonator Cecilia Thompson during a tour while her father Chuck Heath looks on Photograph: Steven Senne/AP