The involvement of Belarus was condemned in Western countries, with the European Union, the United States as well as Japan imposing sanctions against Belarus. According to Chatham House, Belarus's participation in the military conflict is not popular among the general population;[5] protests were held on 27 February, the day of the constitutional referendum which asked to revoke Belarus's non-nuclear country status, but were quickly dispersed. Several hackers affilitated with the Ukrainian military or with Anonymous have targeted government agencies and country's critical infrastructure.