India, Nov. 13 -- The resignation of Nvidia chief executive Jensen Huang has triggered calls from senior Democrats for a wider investigation into potential national security implications, with lawmakers insisting that his departure must not bring congressional scrutiny to an end.

The development comes as Democrats prepare to assume control of Congress following significant gains in the midterm elections. Several prominent party members have said that they want answers from Nvidia executives and the Trump administration over allegations surrounding Huang's personal relationships and their possible implications for US national security.

Huang's departure followed revelations of two extra-marital affairs, including an alleged relationship ...