Members of the Marblehead police and fire departments were called to Marblehead High School Tuesday after school officials noticed a pair of bomb threats on the social media app Yik Yak.
According to a Marblehead Public Schools announcement, at 10:55 a.m., the high school was evacuated after officials received a bomb threat through the social media site.
At 12:15 p.m., the building was declared safe and students returned to their classes.
Then, at 1:30 p.m., a second threat was received, prompting another evacuation.
"Appropriate steps have been taken to provide a safe and secure environment for all students and staff," the announcement read.
The app Yik Yak does not require users to create a username and anyone can post anonymously for people within a ten mile radius to view.
If you, or anyone you know has information that could help in the investigation into the bomb threats, please contact police at 781-631-1212 or contact the department anonymously via their tip line on the Marblehead Police Facebook page.
Marblehead Patch will post updates as information is released.