Here is some video footage of tonight's fire near to the Metro Radio Arena.
It broke out as a 24-hour strike by fire crews was drawing to an end.
There is no suggestion that the industrial action compromised the response by Tyne and Wear Fire and rescue Service.
More top news
The proposals have prompted protests by local residents.
In the early hours of Sunday morning a 33-year-old man was stabbed outside Lloyds bank at Haymarket Metro Station.
The Great North Air ambulance were called to the scene in Seaham to take the children to the James Cook University hospital.