Saco police reported Tuesday that they are continuing to pursue leads in the investigation of a bomb threat that was phoned in to Thornton Academy on Thursday.

The bomb threat led the high school to cancel classes that day and again on Friday as police worked to identify who had made the call.

“With the assistance of the Maine State Police and the Portland Police Department K-9 teams, all buildings on the Thornton Academy campus have been searched,” said Saco Police Chief Brad Paul in an email on Tuesday. “No suspicious material or devices were located, and the buildings have not been open to the public in the time frame since the initial threat was called in.”

Paul said in the email that the police department has no indication that any students were at risk.

“The early dismissal and subsequent postponement of classes on Friday was in the interest of student safety and to give investigators time to thoroughly pursue possible leads,” he wrote. “That process continues, and we will maintain a heightened profile over the next few weeks.”

At the same time, a number of officers also assigned to investigate a violent home invasion that also occurred Thursday morning.

Thornton Academy is on Christmas break and is not scheduled to resume classes until Jan. 5.

Paul said law enforcement officials have met with Thornton Academy’s headmaster and staff members.