Report any situation involving a threatening person to the Montgomery County Police Department by calling 911 and notify building management.

Provide as much information as possible including a physical description of the person(s) and their location, whether or not they are armed, the number of hostages and their location (if any).

Report the presence of suspicious individuals in or about the building to property management. A physical description of the person and the location they were last seen will also be important information to communicate.