Mayor Frank Jackson said three young people and two adults were hurt. The extent of their injuries was not immediately known.
Police said SuccessTech Academy had been secured and that the lone suspect had fatally shot himself.
In June, the Baltic States will hold BALTOPS and Saber Strike 2018 drills. A US Armored Brigade will be deployed in Europe for the purpose - no less than 4,000 soldiers
The import of liquefied natural gas from the United States will not grow, even if Germany exits the Nord Stream-2 project, German Minister of Economy and Energy Peter Altmeier said