[6] On 26 January 2017 Sonko was arrested in Switzerland, where he had been reportedly living since November 2016, after his request in Sweden had been denied.
[10] In November 2019 his detention was extended by the Federal Criminal Court of Switzerland until late January 2020.
[3] On 18 April 2023, the Swiss Attorney General declared that Sonko had been charged with crimes against humanity under the principle of universal jurisdiction.
He was accused of "having supported, participated in and failed to prevent 'systematic and generalised attacks' as part of a repressive campaign by security forces against Jammeh's opponents".
[15] On 15 May, the Swiss criminal court sentenced Ousmane Sonko to 20 years in prison for crimes against humanity under the regime of former dictator Yahya Jammeh.