This article and video is from Container News.
https://container-news.com/fire-cosco-pacific-video-shocks-dockers/

Lithium ion batteries stored in a container on board the Chinese vessel Cosco Pacific were not declared as dangerous goods, said Container News sources.

According to a container ship fire safety expert the lithium batteries on Cosco Pacific were not declared and were therefore incorrectly stowed, “The ship was lucky to have escaped a major incident,” said the source.

Check out the video in the article link above.