There was an outpouring of support on social media last night after journalist and marriage equality campaigner Una Mullaly tweeted a photo of a letter she received from a reader.

In the letter, the writer claims that her recent cancer diagnosis was the 'will of God' and was connected to her support for a yes vote in Friday's referendum.

More hate mail from No voters today. My cancer is the will of God for campaigning for equality, apparently. pic.twitter.com/yFseggqBUq — Una Mullally (@UnaMullally) May 19, 2015

Una recently wrote a well-received piece in the Irish Times detailing her diagnosis with cancer and her struggles to accept herself as a lesbian.

A vocal advocate of marriage equality, Una is no stranger to criticism and even says this letter isn't the worst she's ever received.

I don't give a damn if some bigot hates me, but next time a No campaigner talks about being "bullied", this is what I'm putting up with. — Una Mullally (@UnaMullally) May 19, 2015

That's not even the worst letter I've received - there's other stuff I wouldn't even put on Twitter because it's so disgusting. — Una Mullally (@UnaMullally) May 19, 2015

Many tweeted their disgust at the contents of the letter, saying that no matter which way you are voting on Friday, this was deplorable.

Maybe this is Closer to what majority think Una.@UnaMullally ohh the trolls the trolls lol pic.twitter.com/lfnbmcFNDQ — Alan Mc Menamin (@AlanMcMenamin) May 19, 2015

That letter sent to Una Mullaly is almost a parody in it's ridiculousness. Sadly, this person exists. I can't comprehend that much hate. — Órla (@orlabaz) May 19, 2015

@UnaMullally I'm so sorry that you have to put up with this horrible abuse. These should be published with names (if they gave them) — Ruth Hegarty (@EggandChick) May 19, 2015

Una has said she has no intention of making the name of the letter-writer public - the person signed the letter with 'Best Wishes'.