A man has been arrested....
The attack followed a prolonged row over work shift patterns....
A £50,000 reward is also on offer....
Police are treating this as an isolated incident....
Investigating officers have also issued a public appeal....
"He paid the ultimate price for trying to de-escalate a situation."...
A new scene has now been opened up in a nearby Salford location....
Lee Francis Burns will spend a minimum of 20 years in prison....
The 17-year-old has now been named as Jordan Rance....
