India, Nov. 7 -- Good evening! Here's your 5-minute wrap of the day's top headlines from across the country, the world and the field of sports and entertainment.

The colours of firecrackers in Delhi on Diwali depend on metal salts that burn into fine particles, whether these are the 'green ones' or the conventional ones sold illegally. One of those salts, barium, has been banned in fireworks since 2018. But, on Diwali night in 2019, a year after the ban, a team from IIT Delhi and other institutes measured barium in Delhi's air at up to 190 times its level of the week before. Strontium, which burns red, rose by up to 145 times.

Prime Minister Narendra Modi on Saturday extended Diwali greetings to the nation through a video message, highl...