Leave campaigners have disputed the claim that Britain leaving the EU would damage the security of north east jobs.
The Prime Minister is at Hitachi's Newton Aycliffe train factory for a speech about the debate.
Vote leave supporters have said that the notion investment into the North East would be jeopardised by a vote to leave is 'ludicrous'.
John Elliott, chairman of local employer Ebac and Vote Leave supporter, said:
More top news
At its height, six appliances were in attendance at the fire near Wingate.
With the Bank Holiday on the way - will the fine weather last?
Grass pollen season affects most hay fever sufferers.