"The cover-up was one of the worst in the history of cover-ups," Trump was quoted as saying by CNN from the Oval Office. "It's very simple."

Turkish President Recep Tayyip Erdogan has said that the killing of Saudi journalist Jamal Khashoggi was planned days in advance.

He was quoted as saying by BBC that Turkey had strong evidence Khashoggi was killed in a premeditated and "savage" murder at the Saudi consulate in Istanbul on 2 October.

The President called for the suspect of the incident to be tried in Istanbul.

Khashoggi went missing on Oct 2. He was last seen alive entering the Saudi Arabian consulate in Istanbul.

He lived in a self imposed exile and was a fierce critic of Saudi Crown Prince Mohammed Bin Salman, questioning his 'one man show' tactics.

The journalist was visiting the consulate to get paperwork for his upcoming marriage.

After weeks of denial, Saudi Arabian authorities finally revealed on Friday that Khashoggi was dead.

The minister also termed his death as a rogue operation, adding that the top officials were unaware of it.

Image: Donald Trump/Twitter