Update 4:30 p.m.: A code-red lockdown at William T. Dwyer High School was initiated because of a threat called into the school, Principal Joe DePasquale told parents in a phone message Wednesday. School district police investigated the threat and found it be unsubstantiated, DePasquale said.
School police investigators are still trying to determine who made the threat.
Update 3:20 p.m.: A code-red lockdown has been lifted at William T. Dwyer High School. The lockdown was initiated due to police activity in the area.
Original story: William T. Dwyer High School is on a code-red lockdown Wednesday afternoon due to school police activity in the area, Palm Beach County school officials said.
County school police officials are on campus, school officials said, though the nature of their activity was not immediately known.
Principal Joe Depasquale called parents about the lockdown, urging those not already at the school to avoid campus. Everyone is safe inside the building, officials said.
Dwyer High School was placed on lockdown Tuesday morning, as well, while Palm Beach Gardens police searched for a car theft suspect in the area.