The increasing assertiveness of the Russians has revived American concerns of Russian encroachment on the European Peninsula. It runs from the Baltics to Romania, with Poland and Romania being the main allies of the United States in this endeavour.
President Heydar Aliev sought to increase Azerbaijan's independence from Russia, and declined to accept Russian bases or border guards.
Turkey and Azerbaijan have launched joint military exercises lasting from May 1 to May 5 with about 1,000 troops participating, Baku's Defense Ministry says.
The prosecution provided no specifics, but according to Swedish news agency TT and investigative TV news show Uppdrag Granskning, which have jointly probed the matter, the case concerns the sale of train signalling equipment to Azerbaijani railroads.
They said the equipment was shipped directly to Azerbaijan.
Azerbaijan's self-sufficiency in energy increases its independence from Moscow in comparison to the other states in the South Caucasus.