More Beijing classes go online in tightening of virus rules

A child wearing a face mask sits on the back of a scooter at an intersection in Beijing, Thursday, April 28, 2022. Beijing shifted more classes online Thursday in a further tightening of COVID-19 restrictions, as China's capital seeks to prevent a wider outbreak. (AP Photo/Mark Schiefelbein)

More Beijing classes go online in tightening of virus rules