24 hours in pictures

Pamplona, Spain: Spanish bullfighters prepare to perform at the San Fermín fiestas Photograph: Alvaro Barrientos/AP

Jiaxing, China: a young gymnast practices skills with his legs in a vessel during a training session Photograph: Reuters

Aweil, South Sudan: a woman and her child wait for test results at Aweil state hospital Photograph: Adriane Ohanesian/Reuters

Shati, Gaza: a trainer puts sand inside the mouth of a Palestinian child during training in a summer camp organised by Hamas Photograph: Suhaib Salem/Reuters

Leibstadt, Switzerland: a bee collects nectar from a sunflower in a field Photograph: Arnd Wiegmann/Reuters

Pamplona, Spain: revellers are showered with sparks from the "Fire Bull", a man carrying a metal structure loaded with fireworks at the San Fermín festival Photograph: Vincent West/Reuters

Tegucigalpa , Honduras: a patient lies on a stretcher in the emergency room of a hospital during a nurses' strike Photograph: Reuters

Mumbai, India: Abdul Samad, 13, carries part of a used car engine inside an automobile workshop Photograph: Danish Siddiqui/Reuters

Los Angeles, US: a patient receives dental treatment at the Remote Area Medical clinic Photograph: Lucy Nicholson/Reuters

Algiers, Algeria: riot police use a water cannon during clashes with community police officers Photograph: Keystone/Rex Features

London, UK: Rihanna performs on stage on day 3 of the Wireless Festival in Hyde Park Photograph: Dave J Hogan/Getty Images

Shanghai, China: migrant labourers sleep inside a construction site Photograph: Aly Song/Reuters