Story highlights Russian politician behind anti-gay propaganda law pictured in photograph of two women kissing

Vitaly Milonov behind law that bans "propaganda of non-traditional sexual relations among minors"

Spotting him on their flight, two lesbian activists kissed, took a selfie and uploaded it to Instagram

Moscow (CNN) A Russian politician behind a controversial anti-gay propaganda law has been caught up in a social media storm in which he is pictured in a photograph of two women kissing.

Vitaly Milonov was on an Aeroflot flight from Moscow to St. Petersburg when he was photographed by two women who took a selfie of themselves kissing in front of him.

Milonov was the driving force behind a law that bans "propaganda of non-traditional sexual relations among minors." As a lawmaker with the ruling United Russia party, he ensured the legislation was first passed in his home city of St. Petersburg before it was adopted across the country.

In the past, he has called lesbian, gay, bisexual and transgender people "sick" and "crazy."

Spotting him on their flight, the two lesbian activists kissed, took a selfie and uploaded it to Instagram.

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