Another wall comes down

Palestinians have pulled down part of Israel's controversial separation wall

Hungarian farmers have a cow

The severed heads of cows lie in front of the agriculture ministry building in Budapest

Algerians clash with riot police

Protesters stand in front of their tower block in a suburb of Algiers

Anti-capitalists get blasted

Turkish riot police turn water jets on protestors in Istanbul

Policeman creamed by milk protest

A protesting farmer sprays milk from a cow's teat onto police

Daily animal picture: Farewell, Koala

A deceased Koala in a coffin during the Save Our Koalas Rally at Queensland Parliament House in Brisbane, Australia

Welcome to Pittsburgh

Police and protestors clash as world leaders arrive at the G20 summit

Picture of the Day: Stoned woman protests against Iran

Protestors demonstrate against the Iranian government outside the United Nations headquarters in New York City

Picture of the Day: Mexican peasants wear Obama masks

Peasants belonging to the '400 Pueblos' group wear Barack Obama masks at a protest in Mexico City