The prime minister of Pakistan is again at the centre of controversy – this time over allegations that he instructed officials to drop murder charges against the owner of a Karachi factory where 259 people died in a fire.Related StoriesNorth Korea raises tensions with plan to carry out new nuclear test aimed at 'sworn enemy' United StatesCollege reveals that gang-rape victim had passed her final exam with top marksSri Lanka to ban maids going to Saudi ArabiaNorth Korea plans new nuclear testNorth Korea threatens South with war over sanctions, day after regime announces new nuclear tests ... Read More