KUALA LUMPUR: Former prime minister Datuk Seri Najib Tun Razak has been summoned to the Malaysian Anti-Corruption Commission (MACC) next week.

Sources confirmed that officers from the anti-graft body served Najib with a notice to be present at the MACC's headquarters on Tuesday (May 22).

A group of eight MACC officers were seen entering Najib's residence in Taman Duta at around 4pm Friday in two cars.

The same group was seen leaving the house at around 5.45pm.

They, however, refused to speak to the media camped out at the Langgak Duta junction.

Najib and his wife Datin Seri Rosmah Mansor have been blacklisted by the Immigration Department and they are prohibited from leaving the country.

Last week, Prime Minister Tun Dr Mahathir Mohamad said he expected charges to be filed against Najib following investigations into allegations against the former prime minister over the removal of hundreds of millions of US Dollars from the 1MDB fund.