A ship involved in the North Sea oil tanker collision that left plumes of black smoke billowing into the air above Grimsby was not carrying deadly sodium cyanide, according to its owner. The Stena Immaculate and Solong crashed on Monday morning, causing a dramatic series of explosions off the coast of Grimsby that bathed the area in thick black smoke, with one crew member still missing amongst the wreckage. Ernst Russ, the owner of the container ship Solong, has now insisted there was no sodium