BJP lawmaker Kuldeep Singh Sengar is finally arrested by the CBI for the alleged rape of a 16-year-old girl in Uttar Pradesh's Unnao; after outrage across the country over the Unnao and Kathua rape cases, PM Modi says no culprit will be spared; two BJP ministers who defended the men arrested for raping and murdering the eight-year-old in Kathua quit after Jammu and Kashmir Chief Minister Mehbooba Mufti puts her foot down; and more in our news wrap of the day.