The death of an immigration officer accused of spying for the Hong Kong intelligence service is not being treated as suspicious, police have said.

Immigration enforcement officer Matthew Trickett was found dead in a park in Berkshire on Sunday.

Thames Valley Police has said his death "is not being treated as suspicious".

The former Royal Marine, 37, was also accused of foreign interference and had appeared at Westminster Magistrates' Court alongside Chi (Peter) Leung Wai, 38, from Staines, and Chung Biu Yuen, 63, from Hackney, east London.

At that hearing, the prosecution had asked for Mr Trickett to be remanded in custody for his own welfare ahead of his next hearing at the Old Bailey.

However, he was granted bail and on 19 May he was found dead in Grenfell Park in Maidenhead.

At the time, police said that while the alleged offences were "concerning", there was not believed to be any wider threat to the public.

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