Dog walkers told to keep their pets away from water

Thousands of gallons of diesel has leaked into a eight-mile stretch of the River Aire in Leeds - sparking fears for wildlife in the area.The Environment Agency is appealing for help in tracing the source of the leak, which was first noticed on Saturday evening.

It is believed to have come from the Beeston area. Contractors have been on the scene today trying to absorb the oil from the river. People have been told NOT to let their dogs go into the water.