The Week in Pictures: Fauci's pitch and chaos in Portland

Federal officers arrest a protester after she crossed a fence line set up around the Mark O. Hatfield U.S. Courthouse on July 23, 2020 in Portland. State and city elected officials have called for the federal officers to leave Portland as clashes between protesters and federal police continue to escalate.

Black Lives Matter protesters hold their phones in the air in Portland on July 20. Women in yellow, self-described as the “Wall of Moms,” showed up by the dozens to form a human chain between protesters and federal police officers in Portland.

An image of Rep. John Lewis is projected on the statue of Confederate Gen. Robert E. Lee in Richmond, Va., on July 19.

Lewis, who died at age 80, dedicated his life to the fight for justice and equality, first as a leader in the civil rights movement in his 20s and then by serving Georgia in Congress for more than 30 years. He was the last surviving speaker from the 1963 March on Washington.

A Fulani herder carries two baby sheep on her cart as her family travels north in Barkedji, Senegal, on July 21. With the first rains comes fresh grass and water for the herders' livestock, marking the point where most of the nomadic herders move north until the dry season.

Visitors wearing masks take pictures at the National Museum of Korea in Seoul on July 22 after the museum reopened following the coronavirus outbreak.

A fire burns next to the village of Galataki as authorities evacuate the area near Corinth on July 22. More than 250 firefighters, backed by water-dropping aircraft, were struggling to contain a large wildfire fanned by strong winds that forced the evacuation of five settlements in southern Greece.

Moviegoers wearing masks are spaced apart in a newly reopened cinema in Hangzhou, eastern China, on July 20. Following months of closure, limited numbers of audience members were allowed back into cinemas Monday in Chinese cities where the risk of virus infection is considered low.

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, throws out the ceremonial first pitch prior to the game between the New York Yankees and the Washington Nationals at Nationals Park on July 23. Professional baseball made its belated 2020 debut with no fans inside Washington, D.C., and Los Angeles ballparks.

A Long March 5 Y-4 rocket carrying an unmanned Mars probe takes off from Wenchang Space Launch Center on July 23. China launched its most ambitious Mars mission yet in a bold attempt to join the United States in successfully landing a spacecraft on the red planet.

Residents of Dr. Sarphati House nursing home in Amsterdam look at a full-size reproduction of Rembrandt's "The Night Watch" on July 20. With outings to cultural institutions not possible for many elderly people, the museum is bringing the reproduction on a tour of thirty nursing homes and senior complexes.

People gather in front of the Chinese consulate in Houston on July 22.

In a dramatic escalation of tensions, the State Department has ordered the closure of China's Houston consulate — a move the Chinese on Wednesday called an "outrageous and unjustified" provocation. 

A security guard looks at his mobile phone as water is released from the Three Gorges Dam, a gigantic hydropower project on the Yangtze River, to relieve flood pressure in Yichang on July 19.

Rising waters across central and eastern China have left over 140 people dead or missing, and floods have affected almost 24 million since the start of July, according to the ministry of emergency management. 

A man sunbathes with a light reflector on a hot and humid day in New York's Washington Square Park on July 19.

Federal officers use chemical irritants and crowd control munitions to disperse Black Lives Matter protesters outside the federal courthouse in Portland on July 22.

For much of July, Department of Homeland Security forces have deployed tear gas into crowds of protesters outside the Mark O. Hatfield U.S. Courthouse. 

Black Lives Matter protesters gather outside the federal courthouse in Portland on July 21.

Comet NEOWISE flies in the sky above Joshua Tree National Park on July 19. The comet is visible after sunset in the Northern Hemisphere and came closest to Earth on July 23 when it was around 64 million miles away.

Firefighters mop up hot spots from the Hog fire along highway 36 about 5 miles from Susanville, Calif., on July 20. 

The fire exploded to more than 6,000 acres and created its own weather, generating lightning, thunder, rain and fire whirls out of a huge pyrocumulonimbus ash plume towering above. The Lassen County Sheriff's office issued a mandatory evacuation order for the area.

Customers wearing masks look at merchandise in a store in Beijing on July 22.

Indigenous nurses from the Special Secretariat for Indigenous Health perform a rapid COVID-19 test on Chief Domingos of the Arapium tribe on the banks of the lower Tapajos River in Santarem, Brazil, on July 19.

A patient is connected to an oxygen tank in the Intensive Care Unit ward for COVID-19 patients at the Afghan-Japan Communicable Disease Hospital in Kabul on June 30.

Visitors look at a projection of a play in Avignon, France, on July 18. With the annual theater festival cancelled, video projections of plays from past festivals will be offered in lieu of live performances.

A nude protester, who became known online as "Naked Athena," gestures toward federal law enforcement officers, deployed under the Trump administration's new executive order to protect federal monuments and buildings, in Portland on July 18.

See last week's gallery: The Week in Pictures: July 9-17