The water supply on the Baltic Sea island of Gotland came close to being shut off by unknown saboteurs, reports say. Damage to pumps in a lake was "not accidental."

The Swedish police have launched an investigation into an attempted sabotage on Gotland that occurred on Sunday. The incident could have led to a shortage of drinking water on this strategically located island in the Baltic Sea.

Swedish authorities are probing an attempted sabotage on Gotland's water supply. Sources say the act could have left the entire island without water. The Swedish Security Service and local police are investigating,