Nice to know that the coppers will have to leave their firarms and billy clubs outside when they respond to an emergency.Several years since I've been there but they had none then.
Per there web site
Weapons Policy on IRT Premises
All guns, weapons or knives of any type, concealed or unconcealed, are prohibited on IRT premises. Anyone who fails to comply with this policy will not be allowed on the property, or will be asked to immediately leave the premises.
https://www.irtlive.com/your-visit/irt-policies