These are dark days for businesses – and their lawyers – who have been working for many years to develop trade and investment flows between Russia and other countries, as Morgan Lewis Moscow chief Brian Zimbler reports

The EU and US have imposed tougher new sanctions against Russia, in connection with the ongoing conflict and tragic violence in Ukraine. The shocking loss of a civilian passenger jet over eastern Ukraine has rattled Western governments and prompted closer coordination among them. In response, Russian authorities remain defiant. Sadly, there seem to be few prospects for swift resolution of the crisis.