Metal cylinders, once containing the potentially lethal ‘legal high’ laughing gas, that are littered across Salford by users are being transformed into a community art project by police officers.

How safe is laughing gas, also known as nitrous oxide, NOS or even hippy crack? MM investigate by talking to health chiefs and users.

Legal highs could potentially be a thing of the past as Wigan Council are cracking down on retailers selling them to children.

A 44-year-old man has died in Manchester after taking a ‘legal high’.

His cause of death has not yet been established

Jennifer Whiteley, 27, was from Sale, Greater Manchester

The woman died at Wythenshawe hospital