Authorities have quarantined an estimated 40,000 people after a Sikh religious preacher who died of Covid-19 is feared to have caused community spread of coronavirus in India’s Punjab state. Baldev Singh, the 70-year-old Sikh guru, died on March 18 in Shahid Bhagat Singh Nagar district, 11 days after he returned from Germany via virus-stricken Italy. Read more