The Nigerian couple arrested on suspicion of plotting to harvest the organs of a child in the UK are one of the west African nation's most high profile politicians and his wife, MailOnline can reveal today.  Ike Ekweremadu, 60, a People's Democratic Party politician for 19 years who was once Deputy President of the nation's senate, was held with Nwanneka Ekweremadu, 55, in Britain this month.   A NHS consultant blew the whistle on the former deputy president of the Nigerian Senate