Top politicians, opposition leaders, NGO activists, journalists, businessmen, top academics, religious leaders and members of the judiciary have been subjected to widespread surveillance ordered by Prime Minister Nikola Gruevski and secret police chief Saso Mijalkov, the opposition Social Democratic Party, SDSM, claimed on Monday.
Albanian-language media in Macedonia have reported an exchange of punches between two rival groups at Tuesday's congress of the DUI in the town of Struga, which apparently left one man in hospital with head injuries.
The party itself has stayed silent. Its spokesperson, Bujar Osmani, was not available for comment on Wednesday. The police said no incident was reported.
Ali Ahmeti, the head of the junior party in Macedonia's ruling coalition, the Democratic Union for Integration, DUI, demanded on Tuesday a transparent retrial and a public presentation of the evidence that led to the conviction of six ethnic Albanians for terrorism - a verdict that sparked unrest on the streets of the capital last week.