Agra (UP), Jan 9 (Reporter) Three persons were killed and half a dozen other were injured when a speeding truck hit several vehicles in Sikandra area of Agra district here in Uttar Pradesh on Tuesday, a police officer said here. Deputy Commissioner of Police (City) Suraj Rai said that the incident took place on Agra-Mathura highway when the speeding truck hit nearly one and a half dozen vehicles. "Three persons were killed in the incident and six others were injured," he said. He said that the injured have been admitted to the SN Medical college. He said that the truck driver had been arrested and was being interrogated...////...