Authorities say Saturday was one of the deadliest days on Iowa roadways as at least 7 people were killed in crashes. In eastern Iowa on Saturday night, a 3-year-old and two adults were killed when a truck collided with their car. The accident occurred south of Keystone. Two people were killed and three were injured in Tiffin. Authorities say a pickup ran a stop sign and was hit by a sport-utility vehicle. In Warren County, a 62-year-old woman died and a 62-year-old man was injured in a motorcycle crash. In Taylor County, a man died when his motorcycle collided with a car near New Market.