Survivor of Pulse nightclub massacre among other speakers
Letter released after president, Putin met at G-20 summit
Prime Minister Joseph Muscat is among measure’s supporters
Tech4Chechnya launched during WorldPride in Madrid
Reports gay men among 27 killed in January unconfirmed
Practice described as ‘potentially harmful’
Three transgender people, advocacy group challenging regulation
It remains unclear whether anti-gay Chechnya crackdown discussed
Amini Fonua came out in 2013
More than a million people lined the streets of the Spanish capital for the parade