I am going to date myself here...But my concept of how to respond to these kinds of situations was formed many decades ago. Specifically by the New York State response to the Attica Prison riots back in 1971. Governor Rockefeller (a compassionate bleeding heart liberal Republican I might add) dittled for FOUR DAYS after the prisoners took prison guards and other prisoners hostage. It gave the rioters the time to make weapons, dig battle trenches in the yard and publicly torture and kill a number of folks. When finally the Good Governor grew the cojones to send in the State Troopers, they had to kill their way back into the prison. PLAIN STUPIDITY. It could have been over in the first hour. But instead, ALL THE GUARDS and a good number of prisoners had to die needlessly.
I vowed after having watched the debacle real time on TV that I would never hesitate. Better to be too aggressive in the first instance than to live the rest of your life regretting your inaction.