His outspoken criticism of Iran, and the timing coinciding with the opening of Azerbaijan's embassy in Israel led some fellow MPs to point the finger at Tehran.
Armenians had been using the road to bypass a blockade on the main road, the Lachin Corridor. The move drew a rare rebuke from the Russian peacekeepers.
The U.S. and Russia have both made high-level contact with Armenian and Azerbaijani officials as the rhetoric from Baku is getting increasingly bellicose.
It was unclear on whose behalf the former secretary general, Anders Fogh Rasmussen, was visiting, and what it portended for Armenia’s geopolitical orientation.