US Senator Ted Cruz (right) with wife Heidi and daughters Catherine and Caroline announces his candidacy to become US President during an event at Liberty College in Lynchburg, Virginia, on March 23. Cruz, a conservative firebrand who frequently clashes with leaders of his Republican Party, became the first major figure from either party to jump into the 2016 presidential election race
Image by Chris Keane / Reuters
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Britain's Chancellor of the Exchequer, George Osborne, with his Treasury team outside number 11 Downing Street, before delivering his budget to the House of Commons, in central London on March 18
Image by Suzanne Plunkett / Reuters
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Ireland's Prime Minister Enda Kenny (left) presents a bowl of shamrocks to US President Barack Obama at a St Patrick's Day reception in the East Room of the White House in Washington on March 17
Image by Jonathan Ernst / Reuters
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Icelandic singer Bjork performs during a concert at the Kings Theatre in the Brooklyn borough of New York City on March 18
Image by Mike Segar / Reuters
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A dog rests at the Dog Resort in Sao Paulo on March 25. City dwellers in the South American concrete jungle of Sao Paulo are increasingly living in their own in high rise apartment blocks, turning to pets for company rather than traditional family cohabitation. Care centres, such as this, which look after the animals during working hours are becoming increasingly popular.
Image by Nacho Doce / Reuters
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People walk by the High Altitude Cherenkov Experiment (HAWC) observatory during its inauguration on the slopes of Pico de Orizaba and Sierra Negra near Puebla on March 20. Sitting at the foot of a volcano in Mexico, this facility looks like a water treatment plant. It's one of the largest and most powerful observatories ever built on earth. Unlike optical observatories that use telescopes
