PHOTOS: Ireland votes to legalize gay marriage

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Saturday, May 23, 2015
A yes supporter waits at Dublin castle for the final result in the referendum in Dublin, Ireland, Saturday, May 23, 2015.
Two men kiss as first results start to filter through in the referendum, Dublin, Ireland, Saturday, May 23, 2015.
Yes supporters celebrate as first results begin to filter through in referendum at Dublin castle, Ireland, Saturday, May 23, 2015.
Rory O'Neill, known by the Drag persona Panti, celebrates with yes supporters at Dublin Castle, Ireland, Saturday, May 23, 2015.
Yes supporters wait for the final result in the Irish referendum at Dublin Castle, Ireland, Saturday, May 23, 2015.
Yes supporters celebrate at Dublin castle, Ireland, Saturday, May 23, 2015.
Yes supporters celebrate after the final result at Dublin castle, Ireland, Saturday, May 23, 2015.
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PHOTOS: Ireland votes to legalize gay marriageA yes supporter waits at Dublin castle for the final result in the referendum in Dublin, Ireland, Saturday, May 23, 2015.
AP Photo/Peter Morrison

DUBLIN -- Irish voters have resoundingly backed amending the constitution to legalize gay marriage, leaders on both sides of the Irish referendum declared Saturday after the world's first national vote on the issue.