One person was killed yesterday, while another and a State Trooper were sent to the hospital, following an accident on I-70 near Rifle. The incident began when the state trooper pulled over a vehicle on the interstate around 5:30. During the traffic stop an oncoming vehicle collided with the car that the officer had stopped. The driver of the stopped vehicle was killed, while the other driver and the State Trooper were transported to the hospital. The accident resulted in the closure of I-70 to allow the crash investigation to take place. The identities of those involved have not been released.