German police probe unexploded incendiary device at Brandenburg power substation

German police are investigating an incident involving an unexploded incendiary device on Tuesday at a power substation in the eastern state of Brandenburg a spokesperson said Grid operator 50Hertz said as yet unidentified perpetrators are believed to have caused damage to several power lines in 50Hertzs transmission grid It did not say how the damage was caused given that the device had not detonated