Turkish lawmakers on Thursday approved three more articles in a hugely controversial bill bolstering the powers of President Recep Tayyip Erdogan, as lawmakers brawled and threw objects in a session of high tension. Lawmakers have since the start of the week been debating the first reading of the 18-article bill to change the constitution to create an executive presidency. The articles approved covered lowering the minimum age limit of members of parliament from 25 to 18, stipulating parliamentary elections be held every five years, instead of four, and the parliament’s own powers. Five of the 18 articles have now been approved with the three-fifths majority required for the new constitution to be submitted to a referendum expected in April. The ruling Justice and Development Party (AKP) has…