24 hours in pictures

Rawalpindi, Pakistan: An elderly man gestures as he sits by a fire in a slum area Photograph: Muhammed Muheisen/AP

Ciudad Juarez, Mexico: Relatives and fellow officers lower the coffin of murdered police officer Andres Gutierrez Troncoso. He was one of four officers ambushed and killed by gunmen Photograph: Dario Lopez-Mills/AP

Ecija, Spain: A man and his dog stand in a flooded street after heavy rains Photograph: Jorge Guerrero/AFP/Getty Images

New York, US: The NYU photography professor, Wafaa Bilal, displays a digital camera mount he has had implanted in the back of his head as part of a year-long art project Photograph: Jessica Rinaldi/Reuters

Athens, Greece: Hanged effigies of the Greek government, the International Monetary Fund, the Greek labour union and the Greek industrial union outside parliament during a demonstration by the Communist party Photograph: Aris Messinis/AFP/Getty Images

Antigua Guatemala, Guatemala: People wearing costumes of angels and devils perform during the day of the Virgin of the Immaculate Conception celebrations Photograph: Moises Castillo/AP

Varanasi, India: A Hindu devotee offers prayers at the Dashashvamedh ghat, near the site of a blast on the banks of the River Ganges. A toddler died in the explosion, which triggered a stampede Photograph: Rajesh Kumar Singh/AP

Gaza Strip: A Palestinian man sews Hamas flags together in the Maghazi refugee camp Photograph: Bernat Armangue/AP

Muscat, Oman: Athletes from the Kuwait team prepare to jump into the sea during the Beach Water Polo event at the Asian Beach Games Photograph: Ryan Pierse/Getty Images

Seoul, South Korea: A South Korean conservative activist gets his head shaved during a rally denouncing North Korea's bombardment of a South Korean border island last month Photograph: Ahn Yioung-joon/AP

Pearl Harbour, Hawaii: Military veteran Allen Bodenlos, 90, talks to members of a US Marine firing detail during a memorial service for the 69th anniversary of the Japanese attack on the US naval base Photograph: Kent Nishimura/Getty Images

Bodh Gaya, India: Young Tibetan Buddhist monks participate in the opening of the year-long commemoration of the 900th birth anniversary of the First Karmapa Photograph: Manish Bhandari/AP

Bratislava, Slovakia: Police officers and officials examine the damage after a winter ice storm caused a 24-car accident between Bratislava and Senec Photograph: Tomas Hajek/isifa/Getty Images