Two vaccines for coronavirus, Oxford Institute's Covishield, which is being developed by the Pune-based Serum Institute, and Bharat Biotech's Covaxin, received emergency approval from the country's drug regulator today; Pfizer, Moderna and Astra-Zeneca-Oxford - these are the only three vaccines which have proven to work, said Adar Poonawalla, the chief of Pune-based Serum Institute; Farmers continued their protest despite harsh cold and rain in the national capital; 18 people have died in a roof collapse in Uttar Pradesh's Ghaziabad and other top news of the day.