Police on Long Island are preparing for the worst with the growing threat of terror.

A counterterrorism briefing was held today at Farmingdale State College.

Law enforcement agencies from Nassau and Suffolk talked about preparing for a potential attack. Today’s focus was nuclear explosion.

Also at today's meeting were members of Counter Terrorism Zone 1. It's one of 16 counterterrorism zones across the state designed to prevent, prepare for and protect against acts of terrorism.