KIEV - Ukraine is holding in detention about 10 Russian citizens, all of whom have intelligence backgrounds, the State Security Service (SBU) on Thursday.
Answering a journalist's question about comments made on Thursday by Russian President Vladimir Putin about the extent of Russian involvement in the Ukraine crisis, an SBU spokeswoman said: "We have about 10 Russians, with Russian passports, who have been detained.
"They have all had experience of intelligence work," she said. They were being investigated, she said. (Reuters)