April 30 (UPI) -- Britain has expelled a Russian diplomat in retaliation for Moscow doing the same last month to a British official it accused of spying.
The tit-for-tat expulsions come as tensions rise between the two countries, with Britain accusing Russian submarines and undersea naval units in recent weeks of operating in and around British waters.
Britain's Foreign, Commonwealth and Development Office announced the unidentified Russian diplomat's expulsion Wednesday in a statement, saying it had summoned Russian Ambassador to Britain Andrei Kelin to inform him of the "reciprocal action."
"Russia's repeated unprovoked and unjustified actions are designed to disrupt our diplomatic work and form part of a wider campaign of aggressive behavior toward the U.K.," the office said.
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