News agency : Police barricade park where demonstrators due to meet . Arrests come ahead of the Eurovision Song Contest , being held in Moscow Saturday . Most famous winners of the contest were ABBA , who came to attention in 1974 . Comment:
News agency : Police barricade park where demonstrators due to meet . Arrests come ahead of the Eurovision Song Contest , being held in Moscow Saturday . Most famous winners of the contest were ABBA , who came to attention in 1974 . Contest is traditionally taken more seriously in eastern Europe .