Tigerair officially collapses
https://www.news.com.au/travel/travel-updates/tigerair-collapses-australian-airline-shut-down-due-to-coronavirus-impact/news-story/0d8a3fe3594a4986b841fa896072347d
https://www.news.com.au/travel/travel-updates/tigerair-collapses-australian-airline-shut-down-due-to-coronavirus-impact/news-story/0d8a3fe3594a4986b841fa896072347d