| http://www.w3.org/ns/prov#value | - Although smoking was banned on the subsurface sections of the London Underground in February 1985 (a consequence of the Oxford Circus fire), smokers often lit up on their way out of the system.Other possible causes such as arson and an IRA bomb were quickly rejected as possible causes of the fire, mainly because of the strong evidence pointing to discarded smokers' materials.The fire started benea
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