Letter released after president, Putin met at G-20 summit
LGBT content abounds at 12th annual festival
Police say hate crime not ruled out
Ongoing concerns over treatment of sex workers
Anti-transgender campaign was in U.S. earlier this year
Sgt. Hawkins among those told to use men's facilities
Practice described as ‘potentially harmful’
Three transgender people, advocacy group challenging regulation
Victim in critical condition; police uncertain as to hate crime
Rates were double for gay, bi teens according to study
