British Transport Police in Nottingham say the station has been evacuated.
Update 5:56 pm
BTP said:
‘Nottingham station has been reopened again and deemed safe by the fire service
‘The smoking was caused by an electrical fault within one of the premises.
‘Thank you all for your patience and to the fire service.’
The said in an update at 5:37 pm 18 November:
‘Nottingham station has currently been evacuated and Nottinghamshire Fire and Rescue Service are in attendance.
‘We will keep you posted with any updates.’
More when available.