European leaders agree that the Ukraine crisis has made natural gas supplies from Russia precarious. Yet they are divided over what to do about it. Poland wants a new European energy union, but others seem to be in no hurry.
Ukraine's Energy Challenge
Spiegel: Russian riddle. EU can’t agree on a natural gas strategy
Flames shoot high from the scene of the gas pipeline explosion near Pestichevskoe village in Poltava Oblast on June 17.