A gay Republican who supports equal marriage has been accused of “stealing votes” by anti-LGBT lobbying group NOM.

The National Organisation for Marriage made the shocking claim as they emphatically endorsed an opponent of Ben West, who is openly gay and helped sue to overturn Oregon’s gay marriage ban, in the race for the state’s 5th Congressional District.

The group’s president Brian Brown wrote: “I’m pleased to let you know that the National Organization for Marriage (NOM) has endorsed Colm Willis in his race for the 5th Congressional District in Oregon. Colm is a proven champion for life, religious liberty and marriage, and will be a fantastic member of the US House of Representatives fighting for issues we care deeply about.

“Colm faces two challengers in the Republican primary election on May 17th, one of whom is Ben West, a gay ‘marriage’ activist who sued the people of Oregon to invalidate the state’s marriage amendment adopted by 57% of voters. Because of West, the people of Oregon had their votes stolen from them by unaccountable judges.

He added: “It’s outrageous that someone like Ben West, a nursing student, thinks he can steal the votes of the 57% of Oregonians who voted for marriage and then turn around and ask those same people to give him their votes for Congress. How hypocritical!

“This race presents a stark choice — Colm Willis is a champion on our issues, while Ben West is a gutless turncoat who abandoned Republican and constitutional principles.

“West didn’t have the courage to take his gay ‘marriage’ position to the people of Oregon; rather, he went to judicial elites to impose his radical views on the citizens of the state despite their overwhelming votes to the contrary.”

The group’s turn to the extreme has been documented repeatedly over the past few months, following their futile efforts to protest equal marriage – as even moderate Republicans now shun the group’s events, and Brown recently declared a funding crisis as donations are drying up.

Brown recently compared gay marriage to the Easter Bunny, pledging to campaign to eradicate both.