outbreak in the city of xian. we go live to beijing. this is a city of 13 million people where cases are rising. what are authorities doing to tackle this outbreak? >> reporter: the authorities in xian are doing what counterparts and other parts of china have done with local outbreaks, as the beijing leadership are agreeing to stick to a zero covid policy, mass testing and quarantining. officials are putting on a brave face, saying the alarming numbers we've seen, triple-digit numbers of new locally transmitted infections, 175 reported on monday, a record for chinese city since march of 2020. they say these kind of numbers is only to be expected as we conduct city-wide testing for 13 million residents. as they keep doing these