TIL icelandic singer Björk had a stalker who tried to kill her by posting a bomb containing sulphuric acid to her address.

https://en.wikipedia.org/wiki/Ricardo_L%C3%B3pez_(stalker)

https://www.reddit.com/r/todayilearned/comments/16227in/til_icelandic_singer_björk_had_a_stalker_who/