Civil servants feared Rosmah Mansor in her capacity as the prime minister's wife as they believed crossing her would see them being put in "cold storage", the Kuala Lumpur High Court heard.

Testifying in Rosmah's graft trial, ex-aide Rizal Mansor claimed that was only a rumour to spoil Rosmah's image.

However, he acknowledged that links to Rosmah could lead to...