https://fox2now.com/news/national/israel-says-21-troops-killed-in-deadliest-attack-since-hamas-raid/ 
https://www.ksdk.com/article/news/nation-world/israel-hamas-conflict/israel-gaza-war-21-soldiers-killed/507-c8ec62dd-4e8c-4a48-96bb-873f0e78d256