Former Malaysia PM Mahathir being investigated in anti-graft probe involving his sons

KUALA LUMPUR, April 25 (Reuters) - Former Malaysian Prime Minister Mahathir Mohamad is among individuals being investigated in connection with a graft probe involving his sons, Malaysia's Anti-Corruption Commission chief Azam Baki said in televised remarks on Thursday. (Reporting by Rozanna Latiff Editing by Ros Russell)