Litter from cyclists' gel packs is harming deer

Cyclists have been accused of dropping gel packs that could be lethal to the famed wild deer of Richmond Park, in London. 
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Park conservationists warned that 161 empty gel packs used by competitors of the London Duathlon were found after litter pickers cleaned the course route. 
The packs were left despite signs installed around the course that urged cyclists to take the litter with them. 
Gel packs a