Gay rights group Stonewall said, "Congratulations to former Aston Villa player Thomas Hitzlsperger who has revealed that he is gay":
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On the day of the race, the fundraising website went down due to a rush of last-minute donors.
The device was found outside the gates of Holy Cross Boys' Primary School in Belfast.
The Liberal Democrat leader has been attacked after he refused to say that he does not believe gay sex is a sin.