Two DeKalb County buildings, including the Department of Watershed Management, were evacuated about 1 p.m. Tuesday after police said a “disgruntled customer” threatened to “blow up” the buildings over a water bill.

The suspect, who has not been identified, told an employee at a Jordan Lane utility payment location he would “come and blow the place up,” DeKalb police said.

After the customer got off the phone with the employee, police said he called the county’s watershed management headquarters with the same threat.

“Both buildings were evacuated as a precaution,” DeKalb police spokeswoman Shiera Campbell said.

Employees were back inside just after 3:15 p.m. after no explosives were found in the buildings, Campbell said.

No one has been arrested, but police are investigating the threats.

In other news:

A former Houston substitute teacher is accused of performing a sex act on a minor. Manuel Gamboa, 35, allegedly lured a 17-year-old to his Houston apartment. Police said Gamboa gave the teen alcohol which led the 17-year-old to pass out. A sexual assault examination at a hospital afterward showed another person's DNA, police said. Gamboa was arrested and removed from the substitute teacher pool.