KUALA LUMPUR, MALAYSIA - AUGUST 30: A protester wears a mask during the Bersih 4.0 rally on August 30, 2015 in Kuala Lumpur, Malaysia. Prime Minister Najib Razak has become embroiled in a scandal involving state fund debts and allegations of deposits totaling 2.6 billion ringgit paid to his bank account. Razak has denied any wrongdoing. Thousands of people gathered to demand his resignation and a new general election. (Photo by Charles Pertwee/Getty Images)