Asked what countries could be behind the attack, Karin Kneissl replied that, like in an Agatha Christie novel, "there are many suspects in this imaginary room" ST. PETERSBURG, December 24. /TASS/. Former Austrian Foreign Minister Karin Kneissl said she believes the UK, Norway, Ukraine and Poland are the main suspects in the sabotage attack on the Nord Stream pipelines. The former diplomat, who now heads the Geopolitical Observatory of Russia’s Key Issues, or GORKI, at St. Petersburg State