24 hours in pictures

Kathmandu, Nepal: Student activists affiliated to the main opposition political party during a protest against the sacking of the army chief Photograph: Pradeep Shrestha/AFP/Getty

Macha, Bolivia: Students practise the Thinku folk dance Photograph: Dado Galdieri/AP

Cairo, Egypt: Protesters against a government-ordered pig slaughter stand behind a fire set up to keep security men away Photograph: Amr Abdallah Dalsh/Reuters

Luton, UK: Dancers practise during the launch celebrations of the UK Centre for Carnival Arts Photograph: Geoff Caddick/PA

Mexico City, Mexico: A man walks past tourist boats moored at the Xochimilco canals Photograph: Rodrigo Abd/AP

Bangkok, Thailand: A man participates in a rally urging political rival groups to compromise Photograph: Apichart Weerawong/AP

Prague, Czech Republic: Dogs rest in a buggy during the 17Ith international dog exhibition Photograph: Michal Cizek/AFP/Getty

Srinagar, India: Policemen march past the civil secretariat complex during a guard of honour ceremony Photograph: Fayaz Kabli/Reuters

Israel: A worker puts crosses on graves near where the stage for the Papal Mass is being set up in the Kidron Valley Photograph: Sebastian Scheiner/AP

Mexico City, Mexico: Lorena Balderas, 21, lies in bed while under observation amid the swine flu outbreak Photograph: Dario Lopez-Mills/AP

Peshawar, Pakistan: Children walk along a path in a refugee camp Photograph: Greg Baker/AP

Allahabad, India: A Hindu devotee offers prayers after taking a holy dip in the waters of the Ganges river Photograph: Jitendra Prakash/Reuters

Hanoi, Vietnam: Ducklings at an incubation farm Photograph: Reuters

Hertfordshire, UK: Bank holiday walkers enjoy the bluebells at Ashridge Photograph: Barry Batchelor/PA