01:51AM, Friday 02 March 2012
The cause of the two mile oil slick that saw more than 70 swans rescued from the Thames remains a mystery.
Volunteers spent three days retrieving swans from a two mile stretch of the river at Windsor, after the oil slick was spotted on Monday.
The swans had to be cleaned at the sanctuary in Eton, before the oil saturating their feathers could do permanant damage.
The oil finally cleared after three days, after Environment Agency staff laid special 'booms' across the river to stop it spreading.
Samples have been taken and sent for analysis but it will be next week before results come though, giving the EA team a chance of identifying the source of the leak.
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A tribute to John Spicer, who died in a traffic collision in Winkfield Road on Sunday, has been issued by his family this evening.