Start with a calm, private check-in and listen without rushing to fix things....

https://web-wiki.win/index.php/What_Do_I_Do_If_the_Person_Might_Hurt_Other_People_Too%3F

Start with a calm, private check-in and listen without rushing to fix things. You might say, “I’ve noticed you seem under a lot of pressure, and I’m here if you want to talk