A driver and his passenger have been sent to prison after speeding through Manchester streets at nearly 140mph while inhaling nitrous oxide from a balloon and killing a man who was simply on his way to work.Uways Hussain, 20, and Usmon Mahmood, 23, were sentenced at Manchester Crown Court after pleading guilty to offences related to the death of Sylvester Abayomi, 50, who was struck at the junction of Green End Road and Kingsway at 4.30am on March 9. According to The Guardian, Greater Manchester Police said the sentences were believed to be among the highest ever handed down for a death by dangerous driving offence involving a single fatality.Hussain received 11 years and eight months in detention after admitting causing death by dangerous driving, causing death by driving while uninsured and failing to provide a specimen.

Uways Hussain, 20, and Usmon Mahmood, 23, have been jailed for causing the death of Sylvester Abayomi, 50, by dangerous driving after they sped at 139mph in a 30mph zone

Uways Hussain and Usmon Mahmood have been jailed following the fatal crash in March