The fire at Cleveland Industrial Estate in Darlington is causing disruption on the nearby east coast rail line.
Because of this, there are delays of up 60 minutes to trains between Northallerton and Newcastle via Darlington.
These delays will continue until further notice.
More top news
A draft masterplan for the economic development of the Tees Valley has been unveiled, amid hopes for 20,000 new jobs.
A new report shows that 331 North East modern slavery victims have been referred to The Salvation Army since July 2015.
It's claimed that the man tasked with selling Newcastle United has been inundated with enquiries from parties wishing to buy the club.