Chinese MI6 informant gave information to MPs about Huawei threat

Wang Yam sent committee warnings about Britain's involvement with telecommunications firm

A Chinese informant for MI6, now serving a life sentence for murder in a British jail, has given information about the telecommunications company Huawei to the parliamentary intelligence and security committee (ISC), the Guardian has learned.

He has been thanked by the chair of the committee, the senior Conservative backbencher Dr Julian Lewis, and told that he had raised several important areas of concern" and that the committee's findings may be of interest" to him.