LONDON/HAMBURG, Germany -- In a week when four alleged spies for China were arrested in Germany and another two suspects were charged in the U.K., intelligence experts said Europe had only scratched the surface of the problem.
Defense
China spy suspects in U.K. and Germany seen as 'tip of iceberg'
Allegations highlight Europe's tricky balance with Xi Jinping expected to visit soon
One of the two men recently charged in the U.K. for spying for China was a parliamentary aide. © Reuters
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