Egyptian security sources said three improvised explosive devices (IEDs) were detonated Thursday in the Delta city of Mansoura, Al Bawaba News reported. The IEDs were planted at the Mansoura-Zagazig railway line, bringing the train movement to a 50-minute delay while no casualties were reported, Head of Egypt's Railway Corporation, Ahmed Hamed said. Bomb disposal experts defused a fourth IED in Badrashin, Giza, the sources said. Since the ouster of former president, Mohamed Morsi July 2013, Egypt has witnessed repeated blasts across the country claiming hundreds of lives particularly among security personnel.