China locks down 3rd city, raising affected to 20 million

Hairdressers wearing protected suits cut residents' hair at a residential block which has become under lockdown in Xi'an in northwest China's Shaanxi province on Sunday, Jan. 9, 2022. A major Chinese city near Beijing has placed its 14 million residents on partial lockdown after a number of children and adults tested positive for COVID-19, including at least two with the omicron variant. Elsewhere, millions of people are being confined to their homes in Xi'an and Yuzhou, two cities that are farther away but have larger outbreaks traced to the delta variant. (Chinatopix Via AP)

In this photo released by Xinhua News Agency, a volunteer wearing a face mask to protect from the coronavirus uses a loud speaker to give advise to masked residents as they line up for the coronavirus test during a mass testing in north China's Tianjin municipality, Sunday, Jan. 9, 2022. Tianjin, a major Chinese city near Beijing has placed its 14 million residents on partial lockdown after 41 children and adults tested positive for COVID-19, including at least two with the omicron variant. (Sun Fanyue/Xinhua via AP)

A delivery worker passes groceries to a masked woman through a closed gate at a residential block in Xi'an, a city of 13 million people under the COVID-19 lockdown, in northwest China's Shaanxi province on Monday, Jan. 10, 2022. A third Chinese city has locked down its residents because of a COVID-19 outbreak, raising the number confined to their homes in China to about 20 million people. (Chinatopix via AP)

Residents wearing masks pass by workers setting up decorations with the Winter Olympics logo along a retail street in Beijing, China, Tuesday, Jan. 11, 2022. The Chinese capital is on high alert ahead of the Winter Olympics as China locks down a third city elsewhere for COVID-19 outbreak. (AP Photo/Ng Han Guan)

A medical worker wearing a protective suit takes swab samples for the COVID-19 test on residents in Huaxian county in central China's Henan province on Monday, Jan. 10, 2022. A third Chinese city has locked down its residents because of a COVID-19 outbreak, raising the number confined to their homes in China to about 20 million people. (Chinatopix via AP)

Residents wearing face masks to help protect from the coronavirus wait for the coronavirus test during a mass testing in north China's Tianjin Municipality, Monday, Jan. 10, 2022. Tianjin, a major Chinese city near Beijing has placed its 14 million residents on partial lockdown after 41 children and adults tested positive for COVID-19, including at least two with the omicron variant. (Chinatopix via AP)

In this photo released by Xinhua News Agency, residents wearing masks line up to receive necessities donated by warm-hearted people in Xi'an, in northwestern China's Shaanxi Province, Jan. 10, 2022. Xi'an, a city of 13 million people, is one of the Chinese city currently under lock down because of COVID-19 outbreak. (Tao Ming/Xinhua via AP)

Residents wearing masks walk their dog along an alley way in Beijing, China, Tuesday, Jan. 11, 2022. The Chinese capital is on high alert ahead of the Winter Olympics as China locks down a third city elsewhere for COVID-19 outbreak. (AP Photo/Ng Han Guan)

In this photo released by Xinhua News Agency, a delivery man rides through a quiet street in Xi'an,, in northwestern China's Shaanxi Province, Jan. 10, 2022. Xi'an, a city of 13 million people, is one of the Chinese city currently under lock down because of COVID-19 outbreak. (Tao Ming/Xinhua via AP)

Residents skate on a frozen lake in Beijing, China, Tuesday, Jan. 11, 2022. The Chinese capital is on high alert ahead of the Winter Olympics as China locks down a third city elsewhere for COVID-19 outbreak. (AP Photo/Ng Han Guan)

A man wearing a face mask to help protect from the coronavirus walks by medical workers in protective suits taking swab samples for the COVID-19 test from residents in Huaxian county, central China's Henan province on Monday, Jan. 10, 2022. A third Chinese city has locked down its residents because of a COVID-19 outbreak, raising the number confined to their homes in China to about 20 million people. (Chinatopix via AP)

In this photo released by Xinhua News Agency, residents line up on a football field for the coronavirus test during a mass testing in north China's Tianjin municipality, Sunday, Jan. 9, 2022. Tianjin, a major Chinese city near Beijing has placed its 14 million residents on partial lockdown after 41 children and adults tested positive for COVID-19, including at least two with the omicron variant. (Sun Fanyue/Xinhua via AP)