Greenwich High School on lockdown due to "threat," police say

GREENWICH, Conn. -- Greenwich High School was on lockdown Wednesday afternoon due to an unspecified threat, according to police, CBS affiliate WFSB reports. 

“This was NOT a bomb threat,” the Greenwich Police Department tweeted. “The particulars will not be released until after the operation is complete.”

Officers were called to the Connecticut building on Hillside Road around 1 p.m. There were “numerous officers” at the school, according to authorities.

Lockdown procedures continued without incident, according to authorities, and parents were advised not to report to the school. “All present” were safe and no other schools were involved, according to authorities.

Police later said that the lockdown was over and that an investigation was continuing.

• Lockdown