Pharmaceutical giant GlaxoSmithKline is under criminal investigation here in the UK, the company said.
The London-based multinational corporation said the Serious Fraud Office has opened a "formal criminal investigation".
The company is facing similar investigations in Iraq and China.
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The book by Cameron comms chief Sir Craig Oliver reveals that Mr Cameron was frustrated with Theresa May's neutrality during referendum.
Cloud and outbreaks of rain will ease away eastwards during the morning, clearing the east coast around midday with sunny spells developing.
Police and emergency services are attending the scene.