Covid cases rise in Shanghai as millions remain in lockdown

Daily case numbers are some of the largest seen in China since the virus was first detected in Wuhan

Covid-19 cases in China's largest city of Shanghai have risen again as millions remain isolated at home under a sweeping lockdown.

Health officials on Sunday reported 438 confirmed cases detected over the previous 24 hours, along with 7,788 asymptomatic cases. Both figures were up slightly from the day before.