The explosion aboard the boat is allegedly the latest of several ... which was rocked by an explosion while docked in Ust-Luga, a port in northwest Russia near Putin's hometown of St. Petersburg.

MOSCOW, February 9. /TASS/. Cargo tanks of foreign tanker Koala in the Ust-Luga port in Russia’s Leningrad region were not damaged as a result of explosion, there was no cargo spill or oil leak ...