The Israeli military said it was carrying out a raid on Wednesday against Palestinian Hamas militants in Al Shifa Hospital, the Gaza Strip's biggest hospital, and urged them all to surrender.
For those who are confused by what “Centre of gravity” means in this context:
Center of gravity (COG) is a military term that refers to the source of strength, balance, or stability necessary for a military force to maintain operation.
For those who are confused by what “Centre of gravity” means in this context: