Four LGBT campaigners in the Russian city of St Petersburg have been arrested.

The incident comes just hours ahead of the start of the Winter Olympics opening ceremony in Sochi.

According to the Russian LGBT Network, four activists, including one pregnant woman, were arrested on Friday.

The network says the activists were making photos with a banner “Discrimination is incompatible with the Olympic Movement. Principle 6. Olympic Charter”.

Two of those arrested have been named as Anastasiya Smirnova and Aleksandra Semenova.

On Thursday, United Nations Secretary-General Bank Ki-moon used a speech ahead of the Winter Olympics to condemn attacks on the LGBT community in Russia.

Google rebranded itself on Friday ahead of the opening ceremony with a rainbow sporting montage as its Google Doodle.

Russian leaders have attempted to play down fears that athletes and spectators could be prosecuted for speaking out on LGBT rights.

Reiterating last month’s comments by President Vladimir Putin, Deputy Prime Minister Dmitry Kozak this week warned gay people to “leave the kids alone.”

PinkNews has published a collection of the most shocking stories to come out of Russia in recent time.