Massive crowds gather in Dublin for St Patrick's parades
Over half a million people took took the streets to see celebrations which featured 4,200 performers.
St Patricks Day
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From hydrobikes to parades - how NI celebrated St Patrick's Day
Large numbers of people across Northern Ireland marked the festivities in a range of unique ways.
Watch: Carnival atmosphere in Belfast for St Patrick's Day celebrations
The annual St Patrick Day festival saw crowds take to the streets.