Holmes, a 33-year-old woman from Wales, collapsed outside BJ's bar in the skiing resort Borovets on Sunday night. Photo by Wales News Service
A woman has reportedly been arrested for drugs offences following the death of a woman from south Wales in Bulgaria.
Nina Holmes, 33, from Gorseinon, collapsed in the skiing resort of Borovets on Sunday night.
Local media reports said that a 25-year-old restaurant worker had been arrested on suspicion of supplying cocaine to British tourists.
Prosecutors in the capital Sofia have launched a preliminary inquiry into the incident.