Boys from the Muhamasheen (marginalized) community hold weapons as they attend a pro-Houthi gathering at their neighborhood in Sanaa, Yemen 15, 2020.

A fairground worker wearing a face mask stands in front of an attraction after the "Midi Fair" was cancelled by local authorities as Belgium tightens measures aimed to contain the spread of the coronavirus disease (COVID-19), in Brussels, Belgium July 29, 2020.

The ocean meets the rocks near where Julie Dimperio Holowach likely died instantaneously when bitten by a shark off Bailey Island in Harpswell, Maine, U.S., July 29, 2020.

Michael Collins, Representative Lewis's long time chief of staff, and Speaker of the House Nancy Pelosi (D-CA) embrace after the casket with the remains of Rep. John Lewis (D-GA) was carried from the U.S. Capitol building, in Washington, U.S., July 29, 2020. Brendan Smialowski/Pool via REUTERS

Facebook CEO Mark Zuckerberg speaks via video conference during a hearing of the House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

A passenger plane comes in to land at London Heathrow airport, which posts its first-half results following the outbreak of the coronavirus disease (COVID-19), in London, Britain, July 29, 2020.

A trader arrives with a sheep for sale at a livestock market ahead of the Muslim festival of Eid al-Adha in Srinagar July 29, 2020.

Emergency Medical Technicians (EMT) leave with a patient at Hialeah Hospital where the coronavirus disease (COVID-19) patients are treated, in Hialeah, Florida, U.S., July 29, 2020.

The casket of the late U.S. Congressman John Lewis, a pioneer of the civil rights movement and long-time member of the U.S. House of Representatives who died July 17, is seen at the Georgia State Capitol building, in Atlanta, Georgia, U.S. July 29, 2020.

Dr. Joseph Varon, 58, the chief medical officer at United Memorial Medical Center, hugs Christina Mathers, 43, a nurse from his team who became infected with COVID-19, at United Memorial Medical Center (UMMC), during the coronavirus disease (COVID-19) outbreak, in Houston, Texas, U.S., July 25, 2020. Mathers was told she tested positive for COVID-19 after she reported feeling ill during one of her shifts. "That's the hardest thing to ever hear... It messes with you," said Mathers, who has been working every other day since April 29. "But I wouldn't go anywhere else but here." REUTERS/Callaghan O'Hare

People watch the sunrise from Penshaw Monument, County Durham, Britain July 29, 2020.

A protester standing on barriers near the fence is shot with pepper balls by federal law enforcement officers during a demonstration against police violence and racial inequality in Portland, Oregon, U.S., July 29, 2020.

A group of supporters cheer, wave, take pictures and record video as U.S. President Donald Trump arrives to hold a private campaign fundraiser closed to press and public in Odessa, Texas, U.S., July 29, 2020.

Midland County Sheriff David Criner checks his mobile phone as he gathers to hear U.S. President Donald Trump deliver remarks during a tour of the Double Eagle Energy Oil Rig in Midland, Texas, U.S., July 29, 2020.

Democratic presidential candidate and former Vice President Joe Biden holds his notes, including the topics Kamala Harris and Department of Justice reform, as he addresses reporters at a campaign event in Wilmington, Delaware, U.S., July 28, 2020.

Visitors walk inside a crop circle in a wheat field near Paehl am Ammersee, Germany, July 29, 2020.

A woman wears a face mask as brothel workers protest against the lockdown of their business due to the coronavirus disease (COVID-19) outbreak, in front of Cologne's cathedral in Cologne, Germany, July 29, 2020. The sign on a mask reads: "Uprising".

A U.S. immigration officer administers the oath to Palestinian Omar Abdalla during a swearing-in of newly naturalized United States citizens in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020.

Mothers block the passage of a federal law enforcement vehicle during a protest against racial inequality and police violence in Portland, Oregon, U.S., July 29, 2020.

Health officials take a swab sample for the coronavirus disease (COVID-19) from traffic policemen while siting inside a mobile swab collection vehicle at Singha Durbar office complex, that houses the Prime Minister's office and other ministries, in Kathmandu, Nepal July 29, 2020.

Men are seen at a livestock market, ahead of Eid al-Adha, amid the spread of the coronavirus disease (COVID-19), in Abuja, Nigeria July 29, 2020.