Detectives hunting those responsible for dumping the torso of a young boy in the Thames are questioning a man in connection with the murder.
The unknown black African boy, named Adam by police, was found floating in the river near Tower Bridge in September 2001.
Officers heading up the international murder hunt suspect the boy, aged five or six, was killed in an African Muti cult ritual.
Kingsley Ojo, 35, from Nigeria, is helping police with their inquiries after admitting two charges of smuggling adult illegal immigrants into the UK.