Qantas chief Alan Joyce vows to keep speaking out on social issues after a man who smashed a pie in his face said he was making a statement about marriage equality.

Zimbabwean President Robert Mugabe mocks America's decision to legalise gay marriage by vowing to travel to the White House and proposing to Barack Obama.

In solidarity with the gay pride, social media users especially of Facebook have been found updating their profile photos with a bright splash of colours over the last few days.

Following the US Supreme Court's decision of legalising gay marriages nationwide the reactions in social media has been pouring in from all over the world.

The US Supreme Court has rules same-sex marriage is a legal right across the United States.

One of Ireland's most senior Catholic clerics has called for the Church to take a "reality check" following the country's overwhelming vote in favour of same-sex marriage.

Early indications suggest the Republic of Ireland has voted to legalise same-sex marriage in a historic referendum.