'How can she interview a minister?': Sky bosses have 'real concern' about Kay Burley holding MPs to account after her 60th birthday party rule breach
Sky News continues to investigate Kay Burley's 60th birthday party with four senior staff now taken off air
Political editor Beth Rigby is expected to go unseen until broadcaster concludes probe into Saturday's event
Presenters Samantha Washington and North of England correspondent Inzamam Rashid are also now off-air
Miss Burley dined at The Century Club in Soho with Miss Rigby, Miss Washington, Mr Rashid and six others
It is understood that the groups dined outside and sat across two different tables to comply with current rules