Judge John Jones III ruled in favor of 23 Pennsylvania residents who challenged the law.
"The issue we resolve today is a divisive one. Some of our citizens are made deeply uncomfortable by the notion of same-sex marriage. However, that same-sex marriage causes discomfort in some does not make its prohibition constitutional," he said.
The state's Democratic attorney general, Kathleen Kane, announced last July that she would not defend it, saying she could not ethically defend a law she considered "wholly unconstitutional." Defense of the law was carried on by the administration of the state's Republican governor, Tom Corbett.
Read more: http://www.nbcnews.com/news/us-news/judge-strikes-down-pennsylvania-same-sex-marriage-ban-n110061
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