Two private banks in Turkey suspended their use of Russian payment system Mir earlier this week following warning signals from the United States.
The system, a rival to the Belgium-based SWIFT network, is not directly targeted by sanctions. But U.S. officials say there is a worry that Russia is expanding its use of Mir to try to evade sanctions. Experts say banks that allow the expanded use of Mir could trigger secondary sanctions.
Reuters news agency reports the issue is…