James Ramsbotham, Chief Executive of the North East Chamber of Commerce, says companies like Nissan need to know whether the UK will remain in the EU.
The head of the Japanese car company, Carlos Ghosn, has claimed they would "reconsider" their position if the UK left the EU.
This would threaten jobs at Nissan's plant in Sunderland, which employs 6,500 people.
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Rihanna's tour will arrive in Sunderland in June. She's set to take to the stage at Sunderland’s Stadium of Light on Saturday 18 June, 2016.
Around150 officers from five forces carried out raids across the North of England aimed at stopping a feud in the travelling community.
Rugby sensation Katy Mclean has been awarded an honorary fellowship by Sunderland University, where she studied.