[iNerdier]

Could someone have used uv-c black lights thinking they looked cool and not realising about the severe health hazards?

[bertil]

Yes, and it’s apparently not the first time it happens in Hong-Kong. Easy access to electronics, no real control.

[SketchySeaBeast]

Leave it to NFT bagholders to find new ways to get burned.

[RenThraysk]

Yep

https://wwd.com/eye/parties/hypebeast-party-uv-lights-injuri...

[Wistar]

Exactly what I was thinking. UV-C.

[klyrs]

Replace "uv-c black lights" with "radium paint" and it doesn't change the answer: yeah somebody could have done just that.