A Tanzanian woman is allegedly beaten up and stripped naked on road by a mob in Bengaluru; Arvind Kejriwal blames BJP-led civic bodies for stike by sanitaiton workers, says 'Modi government wants to impose President's rule in Delhi like Arunachal Pradesh'; Hyderabad scientists claim to have developed world's first vaccine against the Zika virus; all this and more in our news wrap of the day.