Israel attacked Gaza with ground forces, escalating the conflict.
It was not clear if the Israeli incursion was a limited bid to destroy rocket bases or kill leaders of Hamas, or if it was a full-fledged invasion.
One of the reasons for a ground op is the IDF must forestall the inevitable reinforcement of Hamas by Iran. The whole situation has been destabilized.
https://www.newsweek.com/israel-wary-iran-allies-spreading-war-beyond-gaza-1590987