24 hours in pictures

Panama City, Panama: An acrobat in a lion costume performs during a celebration to commemorate the lunar new year Photograph: Elmer Martinez/AFP

Bogota, Colombia: People ride their bicycles on A Day Without Cars Photograph: William Fernando Martinez/AP

Kirolirwe, Democratic Republic of Congo: Soldiers loyal to dissident general Laurent Nkunda guard a hillside. A peace agreement has been signed between many of the armed groups that roam the east of the country, including rebels loyal to Nkunda Photograph: Lionel Healing/AFP

Rafah, Gaza Strip: Egyptians and Palestinians cross the border Photograph: Eyad Baba/AP

Kousseri, Cameroon: Chadian refugees at a border refugee camp following recent fighting in their country Photograph: Sunday Alamba/AP

New Orleans: Democratic presidential candidate Barack Obama campaigns ahead of Louisiana's primary on February 9 Photograph: Emanuel Dunand/AFP

Berlin: The Rolling Stones and director Martin Scorsese on the red carpet at the 58th Berlin International Film Festival, opened by Scorsese's concert film of the band, Shine a Light Photograph: Rainer Jensen/EPA

Warrensburg-Latham, Illinois: Elementary school pupil Brieana Chambers looks at a T-Rex skull as part of the Dino Discovery programme at her school Photograph: Kelly J. Huff/AP

Amritsar, India: A Hindu devotee spits fire during a religious procession Photograph: Raminder Pal Singh/EPA

Tudevce, Kosovo: A Portuguese armoured personnel carrier from the UN KFOR force passes an ethnic Albanian man in a cart Photograph: Armend Nimani/AFP

Srinagar, India: A Kashmiri fisherwomen sells her catch Photograph: Altaf Qadri/EPA

Beni region, Bolivia: An aerial view of a flooded area where cows have become stranded. At least a million cattle are at risk in the flooding Photograph: STR/EPA

Ludwigshafen, Germany: A woman mourns in front of a house where nine people of Turkish origin died in a fire on Sunday Photograph: Boris Roessler/EPA

Washington: Republican presidential hopeful John McCain addresses the Conservative Political Action Conference Photograph: Gerald Herbert/AP

Karachi, Pakistan: A Pakistani policeman baton charges protesters following the killing a day earlier of an ethnic Pashtun politician Photograph: Rizwan Tabassum/AFP

Kumasi, Ghana: A journalist from Ivory Coast watches the Africa Cup of Nations semifinal football match between Ivory Coast and Egypt Photograph: Joe Klamar/AFP

La Paz, Bolivia: A man shows a tiny camera bough at the traditional Alasitas ("buy me" in Aymara language) fair. According to the Aymara tradition, people buy tiny replicas of the things they want for the coming year and offer them to the Andean deity of plenty Photograph: Aizar Raldes/AFP