Former AmBank relationship manager Joanna Yu Ging Ping (left) appears in the Kuala Lumpur Court to stand witness in the 1MDB trial involving former Prime Minister Datuk Seri Najib Razak today. Najib, 69, is facing four charges of abuse of power to obtain RM2.3 billion in 1MDB funds and 21 charges of money laundering involving the same amount. - BERNAMA