[Pfizer] hired investigators to unearth evidence of corruption against the Nigerian attorney general in order to persuade him to drop legal action over a controversial drug trial involving children with meningitis, according to a leaked US embassy cable. Pfizer was sued by the Nigerian state and federal authorities, who claimed that children were harmed by a new antibiotic, Trovan, during the trial, which took place in the middle of a meningitis epidemic of unprecedented scale in Kano in the north of Nigeria in 1996...In a statement...Pfizer said: "...Although Pfizer has not seen any documents from the US embassy in Nigeria regarding the federal government cases, the statements purportedly contained in such documents are completely false.