At least four persons were killed and three others were injured when an electricity cable carrying 11,000 volts fell down on a vehicle in the Chatti area of Kalat district on Friday. According to the Levies Force, the vehicle carrying passengers was on its way when it came under the 11KV line. As a result, four of them died on the spot and three others sustained wounds, officials said. The dead bodies and the injured were taken to the District Headquarters Hospital. The identity of the victims could not be ascertained so far. The bodies of the deceased were handed over to their heirs after completion of legal formalities. The Levies have registered a case.