OSSINING, N.Y. -- Three schools in the Ossining School District were placed on lockout Thursday afternoon after a threat was made on social media.
Claremont School, Anne M. Dorner School and Ossining High School were placed on lockout for approximately one hour from 1:30 p.m. to 2:30 p.m.
The district said police were investigating the matter. The school followed normal dismissal procedures and after school activities went on as scheduled.
In a lockout, no one can enter the building but classes continue.
In September, Ossining High School was placed on lockdown after an anonymous threat on social media.
Click here to follow Daily Voice Ossining and receive free news updates.