KUALA LUMPUR: Daniyar Kesikbayev, the Prime Minister’s son-in-law, has challenged Raub MP Mohd Ariff Sabri of DAP to prove claims made on his blog that a “deal was inked” by Datuk Seri Najib Tun Razak to renovate a Malaysian government office in New York in September.

Kesikbayev, who is also known as Daniyar Nazarbayev and is married to Najib’s daughter Nooryana Najwa, has lodged a police report over the posting on Tuesday titled “Faulty Reward System and Changeable Governments” which was published in Mohd Ariff’s blog Sakmongkol AK47.