Andrés Manuel López Obrador's win greeted with cautious optimism
June 30 event capped off month-long series of events
LGBTI activists sharply critical of the decision
Unclear whether murders were anti-gay hate crimes
Iván Duque on Sunday won second round of presidential election
2018 World Cup begins on Thursday
Lights will remain through end of Pride month
Kim Darroch hosted embassy Pride reception in D.C.
Activists highly critical of Trump administration's LGBTI rights record
LGBTI advocacy group is behind Pride month effort