Ukrainian agent accused of spying for Putin was found with stacks of foreign cash and Russian SIM cards, officials say

• A lieutenant colonel in Ukraine's intelligence service was charged with being a Russian spy.
• Security services said they found stacks of cash and Russian SIM cards in his home.
• The arrest underscores concerns that Ukraine's intelligence may be deeply infiltrated by Moscow.

A high-ranking agent of Ukraine's intelligence service has been arrested on suspicion of spying for the Kremlin, local authorities said on Thursday.