St Patrick’s Day in photos: Here is how people celebrated the Irish holiday
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Britain's Prince William and Catherine, the Duchess of Cambridge, sit for an official photograph with warrant officers of the 1st Battalion Irish Guards following their St Patrick's Day parade at Cavalry Barracks, Hounslow on Friday, 17th March 2017.
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People take part during the St. Patrick's Day parade in New York March 17, 2016.
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People watch the St. Patrick's day parade in Dublin, Ireland March 17, 2017.
Racegoer in St Patrick's Day fancy dress during the Cheltenham Festival
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Participants march while they take part during the St. Patrick's Day parade in New York March 17, 2016.
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A man holding a rainbow flag takes part in the St. Patrick's Day parade in New York March 17, 2016. New York City Mayor Bill de Blasio ended his two-year boycott of the annual St. Patrick's Day parade on Thursday, joining in the world's largest celebration of Irish heritage after organizers opened the event up to all openly LGTB marchers.