Prosecutors say the operation was devised “on behalf of state authorities” to cut off Russian gas revenues.

Turkey “is an essential partner on defence, migration, trade and regional stability,” Kallas’ team said ahead of the visit.

Moscow gave no explanation for the move nor any indication of when the restrictions might end.

Prosecutors say the operation was devised “on behalf of state authorities” to cut off Russian gas revenues.

The package would open the bloc’s market to roughly 80 percent of Armenian exports.