Dr Mahathir Mohamad berkata, wang itu dibayar untuk 80% kerja bagi projek saluran paip, tetapi hanya 13% kerja diselesaikan.
The finance minister says neither he nor his ministry issued any such instruction.
Akhbar Singapura melaporkan HSBC diberitahu memindahkan wang dalam akaun bank China Petroleum Pipeline Engineering Ltd kepada Suria Strategic Resources Sdn Bhd milik Kementerian Kewangan.
China Petroleum Pipeline Engineering Co Ltd acknowledges the government's move to scrap the MPP and TSGP projects based on economic and financial reasons.
The strongman has been in power for 33 years but the vote late last month was widely decried as a sham after a crackdown on the rival Cambodia National Rescue Party (CNRP).
The CPP has pointed to what it says was a solid election turnout as proof of the country's sound democratic process where more than 82% of those registered to vote cast their ballots.
China Petroleum Pipeline Engineering Co Ltd says all payments made are aboveboard and that Tony Pua’s claims are baseless.
Abdul Rahman Dahlan says the project will be funded by a soft loan of RM4.53 billion from Exim Bank of China, which will be guaranteed by the federal government.