Gulnara Karimova, the elder daughter of late Uzbek ex-president Islam Karimov, is in custody following a 2015 conviction for extortion and embezzlement and is being investigated for more crimes, Uzbek Prosecutor General's office said on Friday.

Gulnara Karimova, the elder daughter of late Uzbek ex-president Islam Karimov, is in custody following a 2015 conviction for extortion and embezzlement and is being investigated for more crimes, Uzbek Prosecutor General's office said on Friday.

State prosecutors said in a statement they were seeking arrests on about US$1.5 billion (1.15 billion pounds) in Karimova's assets across the world, including Switzerland, Britain, France and Russia.