https://en.wikipedia.org/wiki/Holy_Fire
> The ceremony was marred in 2002 when a disagreement between the Armenian and Greek bishops over who should emerge first with the Holy Fire led to a struggle between the factions. In the course of the scuffle, the Greek Patriarch twice blew the Armenian's candle out, forcing him to reignite his "Holy Fire" using a cigarette lighter, while the Greek Patriarch was despoiled of one of his shoes. In the end the Israeli Police entered the premises to restore order.
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>>/40958/
Yeah, they could place an oil lamp somewhere hidden, maybe there's some secret shelf so it don't lit the room.
The wiki article talks about blue flame. Gas? Like will-o'-the-wisp?
Tried to find a video on 'tube, naively thought finally we surely have some good footage of the phenomenon. No.
https://youtube.com/watch?v=L1_Sllf5eQk