Advocacy group blamed rise in ultra-right, government inaction
Protests took place after president’s comments at World Economic Forum
Men wearing hoodies disrupted June 29 event in Santiago
Raúl López Fuentes convicted of murdering gay man in Chilean capital in 2012
Raúl López Fuentes in 2013 sentenced to 15 years in prison
Advocacy group sent request to Education Minister Claudio Cataldo
Previous head of state signed marriage equality, gender identity laws
Former congressional candidate diagnosed with Non-Hodgkin's lymphoma in January
Marco Antonio Ávila faced insults about sexual orientation
Flooding from heavy rains prompted organizers to delay event
