1.   A spokesman said a substantial amount of Derv was spilled while a rail tanker was being filled at the North Tees road and rail terminal.

2.   Both tankers were filled with heavy oil, he said.

3.   For example, he said the drawing of water from large pipes to fill the tankers must be handled by Waterworks officials.

4.   It was not immediately clear if the tankers were filled with refined or crude oil.

5.   It was not immediately known if the tankers were filled with refined or crude oil.

6.   RAI state TV reported that there was an explosion in the engine room, then dense smoke quickly filled the tanker.