ReutersWarning: This story contains descriptions of abuseInstagram has been running paid adverts promoting child sexual abuse material in India, a BBC Eye investigation has found.The ads, seen by the BBC World Service, use terms including "rape video" and "child video" and link users to channels on the messaging app Telegram, where they can buy the material for as little as 99 rupees (about 80p).Hours after this investigation was published, the Indian government said it had summoned representati...