Chief justice of British territory's Grand Court issued March 29 ruling
Country allows civil unions for same-sex couples
Guards reportedly made anti-trans comments, used solitary confinement
Activist to participate in IDAHOBiT events in Havana
Casa Ruby providing housing, other assistance to group
Ricardo Rosselló says discredited practice lacks 'scientific basis'
Roxsana Hernández traveled through region in 2018
May 11 event to take place after trans servicemember ban implemented
Michael Petrelis was scheduled to fly to Havana on Wednesday
Thirty countries supported UN Human Rights Council document