Ukrainian security service ‘needs cleanout’ after arrest of accused spy

Former security official Viktor Yahun says Ukraine's SBU agency has long been overly close to Russia's FSB

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The arrest of a high-ranking Ukrainian intelligence agent accused of spying for Russia has highlighted the urgent need for a cleanout of the country's key security service, a former deputy head of the agency has said.

The Ukrainian security service (SBU) reported on Thursday that they arrested a lieutenant colonel in their ranks on suspicion of high treason" and published a photograph of bundles of cash found in his home.