U.S. President Donald Trump walks towards Air Force One after his campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump walks towards Air Force One after his campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump gestures at the end of his campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump talks to journalists on board Air Force One en route to Washington D.C., U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump talks to journalists on board Air Force One en route to Washington D.C., U.S., October 19, 2020. REUTERS/Carlos Barria

Pet paramedic Wong Kam-cheon drives a pet ambulance, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon transfers a pug "Siu Q" in an oxygen box, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon prepares to transfer a sick pet dog, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon puts an oxygen tube on a pug "Siu Q" during transferring it back home, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon transfers a pug "Siu Q" to its owner, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Daniel Chan, pets his pug "Siu Q", before transferring by pet paramedic Wong Kam-cheon, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pug "Siu Q" is seen in an oxygen box after being transferred back home, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

A vet nurse transfers a pug "Siu Q" to pet paramedic Wong Kam-cheon, at a veterinary clinic in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

A vet nurse transfers a pug "Siu Q", to pet paramedic Wong Kam-cheon, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pug "Siu Q" is seen inside an oxygen box near its owner Daniel Chan after transferring by pet paramedic Wong Kam-cheon, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon walks with a dog's owner Daniel Chan as he transfers a pug "Siu Q" in an oxygen box, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon prepares to transfer a sick pet dog, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon prepares to transfer a sick pet dog, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon prepares to transfer a sick pet dog, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon sits inside a pet ambulance, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Pet paramedic Wong Kam-cheon prepares to transfer a sick pet dog, in Hong Kong, China October 16, 2020. Picture taken October 16, 2020. REUTERS/Tyrone Siu

Yurisel Espinoza, a Cuban migrant under the program "Remain in Mexico", works at a market while awaiting for his immigration hearing in the United States, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

Ana Iris, a Cuban migrant under the program "Remain in Mexico", works at a market while awaiting for her immigration hearing in the United States, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

Members of the New York Police Department (NYPD) check the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

Members of the New York Police Department (NYPD) check the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

A person walks by the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

People walk near the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

People gather near the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

A person enters the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

Adrian Leyva, a Cuban migrant under the program "Remain in Mexico", works at a market while awaiting for his immigration hearing in the United States, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

A person exits the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19) in the South Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

Members of the New York Police Department (NYPD) speak with a person outside the Congregation Yetev Lev D'Satmar synagogue, reportedly the original site of the wedding of the grandchild of Zalman Leib Teitelbaum, a grand rabbi of the Satmar Hasidic Jewish congregation, which was canceled due to restrictions on public gathering during the outbreak of the coronavirus disease (COVID-19), in the Williamsburg neighborhood of Brooklyn, New York City, U.S., October 19, 2020. REUTERS/Andrew Kelly

A riot police officer hits a demonstrator during a protest against Chile's government in Valparaiso, Chile. October 19, 2020. REUTERS/Rodrigo Garrido

A demonstrator is detained by riot police during a protest against Chile's government in Valparaiso, Chile. October 19, 2020. REUTERS/Rodrigo Garrido

An injured demonstrator is helped by health personnel during a protest against Chile's government in Valparaiso, Chile. October 19, 2020. REUTERS/Rodrigo Garrido

A demonstrator is detained by riot police during a protest against Chile's government in Valparaiso, Chile. October 19, 2020. REUTERS/Rodrigo Garrido

Demonstrators take part in a protest against Chile's government in Valparaiso, Chile. October 19, 2020. REUTERS/Rodrigo Garrido

Riot police officers hit a demonstrator during a protest against Chile's government in Valparaiso, Chile. October 19, 2020. REUTERS/Rodrigo Garrido

Demonstrators clash with a riot police water truck burned by a molotov bomb during a protest against Chile's government in Valparaiso, Chile, October 19, 2020. REUTERS/Rodrigo Garrido

People take a picture on the Zaragoza-Ysleta border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

A woman walks across the Zaragoza-Ysleta border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

A general view of the Zaragoza-Ysleta border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

A U.S. Customs and Border Protection police officer is pictured at the Zaragoza-Ysleta border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

A general view of the Zaragoza-Ysleta border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

Vehicles wait in line to cross the Cordova Americas border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

Vehicles wait in line to cross the Cordova Americas border bridge crossing towards El Paso, Texas, U.S., as Mexico's Department of Foreign Relations requested another month-long extension on land-crossing restrictions at the U.S.-Mexico border due to the coronavirus disease (COVID-19) outbreak, in Ciudad Juarez, Mexico October 19, 2020. REUTERS/Jose Luis Gonzalez

U.S. President Donald Trump reacts during a campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump walks at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

An empty chair with a sign that reads "President Ivan Duque Marquez" is pictured during a demonstration called by Colombian indigenous people to demand the government to protect their territories, stop the assassinations of social leaders, and the implementation of a peace agreement, at a meeting called "Minga" in Bogota, Colombia October 19, 2020. REUTERS/Luisa Gonzalez

People participate in a demonstration called by Colombian indigenous people to demand the government to protect their territories, stop the assassinations of social leaders, and the implementation of a peace agreement, at a meeting called "Minga" in Bogota, Colombia October 19, 2020. REUTERS/Luisa Gonzalez

U.S. President Donald Trump walks towards Air Force One at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump speaks during a campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

U.S. President Donald Trump gestures during a campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

People participate in a demonstration called by Colombian indigenous people to demand the government to protect their territories, stop the assassinations of social leaders, and the implementation of a peace agreement, at a meeting called "Minga" in Bogota, Colombia October 19, 2020. REUTERS/Luisa Gonzalez

A woman carries a child on her shoulders as she raises her fist during a demonstration called by Colombian indigenous people to demand the government to protect their territories, stop the assassinations of social leaders, and the implementation of a peace agreement, at a meeting called "Minga" in Bogota, Colombia October 19, 2020. REUTERS/Luisa Gonzalez

People participate in a demonstration called by Colombian indigenous people to demand the government to protect their territories, stop the assassinations of social leaders, and the implementation of a peace agreement, at a meeting called "Minga" in Bogota, Colombia October 19, 2020. REUTERS/Luisa Gonzalez

U.S. President Donald Trump holds a campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump holds a campaign rally at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria

Supporters attend a campaign rally held by U.S. President Donald Trump at Tucson International Airport in Tucson, Arizona, U.S., October 19, 2020. REUTERS/Carlos Barria