Suicide bombers kill 7 in attack on Iraq power plant

Suicide bombers dressed as members of the Iraqi security forces killed seven people and wounded 12 in an attack on a power plant north of Baghdad on Saturday, officials and a survivor said.The Islamic State group claimed responsibility for the attack.Wearing military uniforms and armed with grenades, three attackers entered the facility in Samarra, about 100 kilometres (62 miles) north of the capital, said General Qassem al-Tamimi, head of a police unit charged with protecting vital installation