Malaysia has frozen hundreds of bank accounts believed to be linked to sovereign wealth fund, 1 Malaysia Development Berhad (1MDB), Al-Jazeera reports. The revelation came as the government stepped up an anti-graft probe that could engulf former Prime Minister Najib Razak. Ahmad Zahid Hamidi was at the Malaysian Anti-Corruption Commission (MACC) headquarters on Monday for nine hours to give a statement, two days after he was elected president of the United Malays National Organisation (UMNO). World Bank Group believes Malaysia remains a success story in the region, amid the revelation of the RM1 trillion accumulated debt, as well as the financial scandal surrounding the 1MDB, The Edge Markets reports.