The Boeoegg, a snowman made of wadding and filled with firecrackers, burns on a bonfire in Sechselaeuten square in Zurich. Tradition says the faster the head of the "Boeoegg" catches fire and explodes, the warmer and more beautiful the summer will be.Reuters
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Protesters burn an effigy of US president Barack Obama in Manila to protest against his state visit to the Philippines.Getty
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Police use a water cannon on "Bayan Muna" (My Country First) activists who tried to march to the American embassy in Manila to protest against the state visit by US President Barack Obama.Reuters
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An armed pro-Russian man lends his weapon to a boy posing for a picture in front of the seized town administration building in Kostyantynivka, estern Ukraine.Reuters
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An armed pro-Russian man stands guard at a barricade near the state security service building in Slaviansk. The sticker on the rifle reads: "Republic of Donetsk".Reuters
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A pro-Russian protester walks in front of riot police during a pro-Ukraine rally in the eastern city of Donetsk. Several people were wounded when what appeared to be stun grenades exploded during a rally in support of Ukrainian unity.Reuters
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Pro-Russian (R) and pro-Ukrainian supporters clash in Donetsk, eastern Ukraine. Several people were wounded when pro-Russian separatists attacked a rally in support of Ukrainian unity.Reuters
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A wounded pro-Russian activist joins other activists after clashing with pro-Ukrainian supporters during a rally and march in Donetsk.Getty
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Commuters jostle for places on buses near Victoria station in London, during a planned 48-hour London Underground train strike.AFP
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Visitors look at a light show in the courtyard of the Hotel des Invalides in Paris.Reuters
Researchers search for the remains of writer Miguel de Cervantes at Convento de las Trinitarias Descalzas in Madrid.Getty
A US flag sticks out of the window of a damaged hot rod car in a suburban area affected by the tornado near Vilonia, Arkansas.Reuters
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A residential neighbourhood near Vilonia in Arkansas, destroyed by a tornado, is seen from the air.Reuters
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A school tie is left in tribute to stabbed teacher Anne Maguire on the fence outside Corpus Christi Catholic College in Leeds. A fifteen-year old male student has been arrested in connection with her killing.Getty
A Muslim woman fleeing Central African Republic prays after a night on the road, before departing towards Chad, escorted by African Union peacekeepers.Reuters
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Anti-government protesters chain themselves to UN offices in Caracas, Venezuela.Reuters
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A damaged army vehicle is seen after after a suicide bombing at an army camp in Benghazi, Libya.Reuters
A Free Syrian Army fighter fires his weapon during clashes with forces loyal to Syria's President Bashar al-Assad, in the old city of Aleppo.Reuters