Top news of the day: Delhi government announces early winter break in schools as air quality turns 'severe' again, Nitish Kumar apologizes for his birth control remarks, BJP demands resignation, AAP's ‘referendum’ is to make Arvind Kejriwal's wife, Sunita, next Delhi CM: BJP alleges, Israel kills top Hamas weapon maker; G-7 calls for 'humanitarian pause', Suspected use of snake venom: Cops grill Youtuber, probe finds venom glands missing in nine rescued snakes