Carnage (n.): the killing of a large number of people.
Monster surf batters Bondi Icebergs pool and leaves trail of carnage across Sydney beaches [sic].
Curiously the copy below the headline not only doesn't mention deaths, but no injuries either.
https://www.theguardian.com/australia-news/2025/apr/02/sydney-bondi-swells-waves-beaches-damage