A Yorkshire city famous for its curries is in hot water after its drainage system became polluted with spices. An underground river which flows beneath Bradford has become stained yellow due to the turmeric and other curry spices washed into the system. The city's ancient drains mean much of the stained and spicy water now ends up in Yorkshire's River Aire, sparking concern among locals. Pictures from Bradford show the impact the city's curry houses are having on local streams. The city's ancient drainage systems means water used to wash plates is getting into rivers.