Accel, one of the top global venture capital firms, best known in India for backing Flipkart and Freshworks, has raised a $4 billion fund to invest in what it calls later-stage ventures. Britain has declared a 'national incident' after a rare discovery of a 'vaccine-derived' polio virus in sewage samples in London. And the cost of raw materials needed for EVs has doubled during the pandemic, according to AlixPartners, a consultancy