New Delhi, Sept. 4 -- Authorities said Wednesday that two incidents that disrupted power distribution systems in eastern and western Germany were being investigated as possible acts of sabotage, with one also being examined for possible links to terrorism.

Multiple explosive devices were found Tuesday morning at a substation near the Janschwalde coal-fired power plant in Brandenburg in northeastern Germany. Hours later, a short circuit knocked power lines out of service at the Bergheim power substation near Cologne in western Germany - an incident described by security officials as a deliberate act.

Neither incident affected the general power supply in their areas. Authorities are investigating the incidents but have not named any suspe...