However, far-right, neo-fascist, and nationalistic organizations have been connected to multiple attacks and burnings of refugee squats. In addition, the Syriza government has recently evicted multiple squats in Athens. In addition, Exarcheia and bordering Omonoia have been the focus specialized policing tactics in Greece. These include MAT, (Public Order Restoration Units) an anti-protest police unit implemented after the dictatorship; Operation Virtue, which used blockaded areas and rapid raids of public spaces to capture undocumented migrants in the 1970s and 1980s; and Operation Xenios Zeus, which implemented stop-and-search and document checks for foreigners in 2012.