Covid update: Delhi ‘unknown’ infection source; WHO u-turn; 103-yr-old’s marathon

From Delhi government claiming that infection sources of around half of the new cases being reported are unknown, to Seychelles thanking India for sending critical medicines - here are top ten news updates on the Covid-19 pandemic. Maharashtra, which has been worst-hit by the virus in India, saw its tally of total infections cross the 90,000-mark. The Union government issued new guidelines for its employees in light of some staffers testing positive. Also, a 103-year-old Belgian is walking a marathon to raise funds for research on Covid. Watch the full video for the other updates on the spread of the Sars-Cov-2 coronavirus.