Gavin Grey: UK correspondent on China accusing the UK Government of slander over parliamentary researcher arrest - Heather du Plessis-Allan Drive

China has labelled the arrest of a parliamentary researcher on suspicion of spying 'slander' and a 'political farce'.

Over the weekend, it came out that a parliamentary researcher with links to key political figures had been arrested over allegation of spying for China.

UK correspondent Gavin Grey says the UK Government is now under pressure to take action and reconsider China as a political threat.

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