The labor migrants are trying to return home after losing their jobs in the coronavirus pandemic. Tensions are rising, and a protest on the border has been violently broken up by Russian police.
The seizures follow shortly after the former official linked to the firms had taken to Facebook with a series of scandalous allegations involving Prime Minister Nikol Pashinyan.
Even with coronavirus serving as a belated impetus to push through long-stalled reforms, the five members of the Eurasian Economic Union show limited willingness to help each other.
The legislation allows authorities to freeze property acquired with suspicious funds. Now they want access to bank and insurance information without a court order.