The twist in the trial, which is presided over by David Tomlinson, has seen the court adjourning the trial indefinitely.
The former governor of Delta state, reportedly challenged the conviction in London during the ongoing asset seizure trial.
Ibori's media assistant, Tony Eluemunor, in a statement said the ex-Gov's lawyer made this known at the Southwark London court on Friday, March 17, 2017.
The twist in the trial, which is presided over by David Tomlinson, has seen the court adjourning the ongoing proceedings on the confiscation case indefinitely.
It was further gathered that the confiscation trial is to determine if Ibori’s assets should be seized or released to him.
It will be recalled that the UK’s National Crime Agency investigated alleged evidence of police corruption and claimed that the crown prosecution service withheld key evidence in the ex-Gov's money laundering trial.
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Ibori was he was arrested in Dubai by Interpol operatives and jailed for 13 years in 2012 after he pleaded guilty to laundering money in the United Kingdom.
The politician returned to Nigeria on February 4, 2017 after his incarceration in the United Kingdom.