Norwegian police probe Mikel's move

Norwegian police are investigating the transfer to England last year of midfielder John Obi Mikel amid suspicions of contract forgery.

The 19-year-old Nigerian signed with English champions Chelsea in June 2006 after suddenly announcing that he would not join Manchester United from Norway's Lyn Oslo as expected.

Mikel then reached an agreement with United and Lyn to allow him to move to Chelsea.

"The case is about document forgery and that is serious," Oslo police attorney Paal Hernaes said.

Hernaes said police had questioned Mikel in London last week.

Former Lyn director Morgan Andersen had declined to be interrogated in the case, Hernaes said. Mikel's Nigerian agent John Shittu had agreed to be questioned.