https://twitter.com/terror_alarm/status/1528421983481958400?s=21&t=U3eU52LIzpkaE5ZH6_Vgxg
https://worldnewsera.com/news/uk/london-bus-explosion-five-electric-buses-go-up-in-a-fireball-smoke-seen-for-miles/
Lithium Ion batteries have been an issue for a long time.
https://www.bestmag.co.uk/londons-hybrid-buses-suffer-li-ion-battery-failures/