Images of police in PPE and a street in Shanghai as the city records a steep climb in Covid-19 cases Tuesday. Millions are enduring a second day of lockdown after authorities effectively split the country's biggest urban area in two, with residents of the city's eastern half confined to their homes for four days and subjected to mandatory testing. China reported 6,886 domestic Covid cases nationwide on Tuesday, with more than 4,400 of them detected in Shanghai, now the centre of the country's worst Covid-19 outbreak since the early days of the pandemic. IMAGES