From the BBC World Service: Ukraine has essentially turned off one of its taps transporting Russian natural gas supplies to Europe. Also on the program, we meet the entrepreneurs launching new airlines, despite the pandemic.
DONETSK, UKRAINE - MARCH 11: A natural gas line runs through the country side on March 11, 2015 outside Donetsk, Ukraine. Russia often tries to exert it's control over Ukraine through the price of natural gas. (Photo by Andrew Burton/Getty Images)