Nigerian former oil minister Diezani Alison-Madueke, who is under investigation over allegations of bribery and money laundering, has breast cancer and will undergo surgery in Britain, her lawyer said on Saturday.
Nigerian authorities said Alison-Madueke, who served as oil minister for Africa's biggest crude producer from 2010-2015, was arrested in London last week. Her lawyer, Oscar Onwudiwe, denied this, saying she spent only 45 minutes with police.
"Mrs Alison-Madueke was never arrested or detained and her passport was never seized. She was merely invited (by British police), and she honoured it promptly," he said in a statement; according to Reuters.
"She has breast cancer and it was not detected early. It was discovered nine months ago," said Onwudiwe of the 54-year-old ex-minister who served under former president Goodluck Jonathan, adding that she will have surgery in London next week.