City College, located on the second floor of 6565 Taft St. in Hollywood, became the center of confusion and frustration when Local 10 News visited Wednesday to investigate its sudden closure.

Detectives were investigating the source of the emails and calls that prompted false alarms on Tuesday at university and college campuses in Miami-Dade, Broward, Palm Beach, and St. Lucy counties.

Authorities are investigating swatting incidents that occurred Tuesday morning at both Florida International University’s main campus in west Miami-Dade and City College in Hollywood.