Babylon (1986) - Sweet Disaster

https://www.youtube.com/watch?v=yP7P03QWiXo

An early Aarwark Animations short commissioned by British Channel 4 as part of Sweet Disaster (1986), a series of short "animated visions of the apocalypse” that are "examining the thin line between human definitions of war and peace".

https://en.wikipedia.org/wiki/Sweet_Disaster