A fire which broke out in a block of flats in Lynn in the early hours of this morning forced residents out on to the street.
Four fire crews and a platform ladder attended the scene in Hillington Square at 1.06am.
Other flats in the vicinity were also evacuated by emergency services.
The blaze was under control by 3.50am and services left the area at just before 5am.
There were no casualties.
A police spokeswoman said that the incident was not being treated as suspicious, but the fire service is conducting an investigation into what happened.