Anyone who owns Samsung's latest smartphone is being urged to stop using it and switch it off.

The advice comes following further reports of replacement Galaxy Note 7 devices catching fire.

They'd been sent out after customers reported their phones bursting into flames.

Sales have now been suspended and the smartphones have been formally recalled. 

Over 16 billion euro has been wiped off the firm's value since Friday while an investigation takes place.

Susan Keogh has been speaking to Technology Editor with the Irish Independent Adrian Weckler about the problem: