The publisher of PinkNews said they were "delighted" that same-sex marriage in England and Wales has been signed into law.
Benjamin Cohen, who also founded the Out4Marriage campaign, said, "Giving gay couples the right to marry will make our nation a more tolerant, open and welcoming place to live in and significantly increase the life prospects of so many people".
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Prime Minister Theresa May is to make a video address to the gathering, which is taking place at the Scottish Parliament.
Gaming experts suggest the blurring of the line between reality and the virtual world could lead to games being a key way to sell products.
Donald Trump, convicted magistrates and a “puppy farm” ban are among the topics making the front pages.