Washington, Aug. 9 -- US President Donald Trump has demanded that the head of US chipmaker Intel should resign "immediately", accusing him of having ties to China.

In a social media post, Trump said Lip-Bu Tan was "highly conflicted", apparently referring to his alleged investments in companies that the US says are tied to the Chinese military.

It is unusual for a president to demand the resignation of a corporate executive, BBC reported.

In a note to staff, Mr Tan pushed back against the criticism as "misinformation".

"I have always operated within the highest legal and ethical standards," he said of his more than 40-year career in the US.

Mr Tan, a US citizen born in Malaysia and raised in Singapore, is a venture capitalist well-kno...