Argentinian Elections Back Economic Reforms

President Mauricio Macri's pro-business coalition makes gains in Argentina's mid-term elections as voters back his programme of economic reforms. Meanwhile, former president Cristina Fernandez de Kirchner returns to politics as a senator, guaranteeing immunity from corruption charges. Also, a major study finds increasingly acidic oceans are harming sea life, and South Korea demonstrates its military might in a show of strength to its northern neighbour.

(Photo: Argentina's President Mauricio Macri speaks to journalists after casting his vote in Buenos Aires. Credit: Reuters)