Uways Hussain and Usmon Mahmood inhaled nitrous oxide before the collision in which 50-year-old Sylvester Abayomi died A driver and passenger who inhaled nitrous oxide while travelling at speeds of up to 139mph in a 30mph zone before a fatal collision have been jailed. Uways Hussain, 20, and Usmon Mahmood, 23, filmed themselves inhaling the gas from a balloon, runnin... [2528 chars]