Former prime minister Datuk Seri Najib Razak is expected to be questioned at Bukit Aman soon over a Facebook page that allegedly insulted Selangor's Sultan Sharafuddin Idris Shah.<br /><br />Bukit Aman CID D5 (prosecution and legal division) principal assistant director Senior Asst Comm Mior Faridalatrash Wahid said they had already contacted Najib over the matter.