Earlier, Euronest Committee co-chair Artak Zakaryan said Armenian delegation would like to participate in the session.

"Our decision comes in response to the negative developments we have seen in Belarus," Catherine Ashton said.

Simply titled "Allegro Molto," the piece was found recently in a notebook in the attic of a private home in Austria's Tyrol province.

Putin: experts estimate that gas supplies for domestic and export needs in 2012 will exceed the pre-crisis 2007 levels.

Scuffles broke out and protesters threw stones, as riot police dispersed a crowd of around 70 supporters outside the building.