Certain politicians have blown issues surrounding 1MDB out of proportion in an attempt to topple the federal government, Prime Minister Najib Abdul Razak told a group of domestic and foreign investors today.

In his opening speech at InvestMalaysia 2017, Najib said the government had acknowledged there were lapses in 1MDB's governance, and he had personally given instructions for a rationalisation of the company's operations.

"But let's not forget that while there were issues in 1MDB, certain politicians blew them out of proportion, and tried to sabotage the company, in an attempt to topple the government in between election cycles...