Former minister of petroleum resources, Diezani Alison-Madueke was summoned to the Charing Cross Police Station, London.
Reports say she was at the station to shed more light on the ongoing money laundering investigations involving her.
According to The Nation, she was granted bail and asked to return on June 21, 2016.
Dominica recently suspended all relations with former Nigerian petroleum minister, Diezani Alison-Madueke due to recent allegations of fraud levelled against her.
Sometime ago, there were rumours making the rounds of the death of the former minister.
It was quickly dispelled by a source close to her family who said Diezani is alive and recovering from the deadly cancer disease.
Also, a BBC Africa journalist, who claimed to have spoken to Diezani's lawyer said she is alive.
It was also reported that Diezani had concluded plans to flee from the UK to the Commonwealth of Dominica, to start a new life as a citizen of the small Caribbean country of only 72,000 people.
Diezani Alison-Madueke was arrested by UK National Crimes Agency, for money laundering.