Nobu Su’s mother has been dragged into a high-profile legal battle involving the former TMT chief executive — who has been jailed in the UK for contempt of court — and Cypriot shipowner Polys Haji-Ioannou.

Toshiko Morimoto, 85, could face trial if a court in London finds she has helped Su circumvent a worldwide freeze on his assets and a judgment debt against him.