Senna leaves and tea
A railway worker drank a herbal tea infused with cocaine to relieve indigestion.
  • A railway worker was dismissed after he tested positive for cocaine in a routine drug test. 
  • He had been drinking a herbal tea he bought from a market, which he later found contained cocaine.
  • A judge ruled he wouldn't get any compensation because he was "wholly blameworthy" for the incident.

A British railway worker fired for a positive drug test was unfairly dismissed, a tribunal ruled, after he argued that he had drunk herbal tea infused with cocaine.