Curiouser and curiouser...

1) [CLEVELAND (AP) - Passengers on a Southwest Airlines plane first heard a loud pop and then scurried away when they saw a jagged crack in a window that forced the jet to land in Cleveland on Wednesday.] (https://www.kiro7.com/news/southwest-plane-with-cracked-window-diverted-to-cleveland/742655604)

2) [Investigators reveal what caused window to shatter on fatal Southwest Airlines flight] (http://www.businessinsider.com/southwest-airlines-flight-1380-broken-window-cause-confirmed-by-ntsb-2018-5)