24 hours in pictures : July 26 2007

Harare, Zimbabwe: Police clash with members of the national constitutional assembly who were demonstrating to demand a new constitution Photograph: STR/AP

Santiago, Chile: A sculpture is unveiled in memory of the former president Salvador Allende in front of La Moneda presidential palace Photograph: HO/EPA

Madrid, Spain: Argentina's first lady, Cristina Fernandez de Kirchner, visits the the monument dedicated those who died in the March 11 2004 train bombings Photograph: Daniel Ochoa de Olza/AP

Embrisi, Italy: A firefighting aircraft drops it load of water over a forest on fire Photograph: ANTONIO TACCONE/AFP

Rio De Janeiro, Brazil: Troy Dumais and Mitchell Richeson of the USA compete in the men's synchronized springboard diving competition at the 15th Pan American Games Photograph: Donald Miralle/Getty

Tudela, Spain: Hundreds of people dance the Reboltosa around a bandstand in the town's main square Photograph: Alvaro Barrientos/AP

New Delhi, India: The country's new president, Pratibha Patil, after her swearing-in ceremony in parliament Photograph: HARISH TYAGI/EPA

Oxford, UK: A local resident carries a huge letter G through floodwaters following a demostration highlighting the governments need to address climate change Photograph: ANDY RAIN/EPA

Nancy, France: An ephemeral beach set up in front of an apartment building with sand, beach umbrellas and folding chairs, but no the sea Photograph: CHRISTOPHER COURTOIS/EPA

Los Angeles, USA: Drug enforcement agents wrestle a man to the ground during a raid on a medicial marijuana dispensary Photograph: ROBYN BECK/AFP

Baghdad, Iraq: Children celebrate the victory of their country's football team against Korea in the semi-final of the Asian Cup Photograph: ALI YUSSEF/AFP

Battambang, Cambodia: A young girl from the Spirit of Soccer project watches as Bobby Charlton and Tony Hawk coach local children Photograph: STR/Getty

Washington, USA: George Bush (c) makes a statement to the press with US army sergeant Neil Duncan (l) and specialist Max Ramsey (r) after jogging with them on the south lawn of the White House Photograph: Jim WATSON/AFP

Moscow, Russia: Residents light candles to mark the 70th anniversary of the start of Stalin's repression Photograph: MAXIM MARMUR/AFP

Nyon, Switzerland: Bjork performs on the Chapiteau stage at the Paleo festival Photograph: MARTIAL TREZZINI/EPA