Nelson Gandulla said authorities summoned him for 'interrogation'
Cuban president's daughter, organization mark IDAHOT this month
Castro, Perry lead International Day Against Homophobia and Transphobia in Cuba
Trinidad parking lot attendant applauded Mariela Castro
Santiago is more than 500 miles from Havana
Daily life remains difficult on the Communist island
LGBT events to take place throughout country in May
Cuban president's daughter's to lead IDAHOT marches
Pro-LGBT Republican born in Cuba
Cuban president's daughter did not provide specific details
