Former Malaysian prime minister Mahathir Mohamad shows a citizens' declaration documents during a press conference with members of the opposition party in Kuala Lumpur on March 4, 2016. Leaders from across Malaysia's political spectrum joined on March 4 to call for a national movement to remove scandal-hit premier Najib Razak, in a dramatic escalation of a festering corruption crisis. AFP PHOTO / MOHD RASFAN