India advises states to curtail mass migration amid lockdown. China warns imported cases raise risk of new wave of Covid-19 infections. Germany registers fewer than 4,000 new Covid-19 cases in apparent fall from previous days. Covid-19 spread enters ‘new stage’ as number of cases exceeds 1,000 in Moscow, mayor says. China resumes domestic passenger flights in Hubei after easing quarantine restrictions against Covid-19. Higher temperatures affect survival of new coronavirus, pathologist says. Italy coronavirus death toll surges past 10,000; lockdown extension likely.