Dhaka, July 2 -- Billionaire entrepreneur Elon Musk's feud with US President Donald Trump is escalating, putting billions in government contracts for his companies, including Tesla and SpaceX, at risk.

Musk, who once aligned himself with Trump, reignited their rivalry by publicly criticising the president's massive spending and tax cut bill, which passed the Senate on Tuesday. The legislation slashes green energy incentives - a key revenue stream for Musk's businesses.

Trump fired back, warning that Musk's outspoken opposition could cost him dearly. Speaking to reporters, Trump said Musk's own creation, the Department of Government Efficiency (DOGE), might "turn on its creator." He also hinted at the possibility of revoking Musk's US ci...