Credit Suisse is disputing SoftBank founder Masayoshi Son's account of a controversial deal the Japanese group struck with Greensill Capital, as once-close ties between the companies turn increasingly bitter.
The Swiss bank last month launched legal action in the US over $440m owed to its wealthy clients by Katerra, a Californian construction group that was backed by SoftBank's $100bn Vision Fund and also a client of supply chain finance group Greensill.
