By M Ilyas Khan BBC News, Islamabad Continue reading the main story Related stories Frustrated by Pakistanpower cuts Karachi suffers major power cut Karachi power cuts hit millions A power utility serving Pakistan's biggest city has accused the provincial government of instigating Thursday's mob attacks on its offices. The violence came a day after the Karachi Electric Supply Company sacked some 4,000 employees in a restructure. The MQM party - part of the ruling alliance in Sindh province, of which Karachi is the capital - has demanded that the workers be reinstated. The KESC...