United Nations Humanitarian Coordinator in Yemen, Lise Grande, reacts as she visits children injured in last week's air strike that killed dozens, mainly children, in Yemen's northern province of Saada, at a hospital in Saada, Yemen August 14, 2018.

A lightning strikes are seen during a thunderstorm over the city of Minsk, Belarus, August 14, 2018. Image used for illustrative purposes

A newly born endangered Silvery Gibbon baby is held by its mother Alangalang at Prague Zoo, Czech Republic, August 14, 2018.

Migrants are seen on board the MV Aquarius, in the Mediterranean Sea, between Malta and Linosa, August 14, 2018.

Former U.S. White House staffer Omarosa Manigault-Newman gestures during an interview on the release of her book "Unhinged" in Manhattan, New York, U.S., August 14, 2018.

U.S. White House Press Secretary Sarah Huckabee Sanders holds the daily briefing at the White House in Washington, D.C., U.S. August 14, 2018.

An Afghan family ride in a vehicle as they flee their houses following heavy fighting in Ghazni Province, on the Ghazni - Kabul highway, Afghanistan August 14, 2018.

An alligator named Muja is seen in its enclosure in Belgrade's Zoo, Serbia, August 14, 2018. Muja is officially the oldest American alligator in the world living in captivity. He was brought to Belgrade from Germany in 1937, a year after the opening of the Zoo. Muja survived three bombings of Belgrade, the Second World War and all hardships the Zoo went through. REUTERS/Marko Djurica

A statue of the Virgin Mary is seen during a pilgrimage to demand an end to violence in Nicaragua near Cerro Negro Volcano in Leon, Nicaragua August 14, 2018.

Women and children look at a statue of a child wearing what appears to be a hazardous material suit in Fukushima, Japan August 14, 2018.

A girl peeks through a hole in the Kakuma refugee camp in northern Kenya, August 13, 2018. Picture taken August 13, 2018.

Children look from behind a window of a house in the old quarter of Sanaa, Yemen August 6, 2018. Picture taken August 6, 2018. Image used for illustrative purpose.

A person walks with an umbrella during a rain storm in Manhattan, New York, U.S., August 14, 2018.

The collapsed Morandi Bridge is seen in the Italian port city of Genoa, Italy August 14, 2018.

A general view of the collapsed Morandi Bridge in the port city of Genoa, Italy August 14, 2018.

Cubans read the draft proposal of changes to the constitution during the beginning of a public political discussion to revamp a Cold War-era constitution in Havana, Cuba August 13, 2018.

An Afghan National Army (ANA) soldier inspects a passenger at a checkpoint on the Ghazni - Kabul highway, Afghanistan August 14, 2018.

Firefighters and rescue workers stand next to a part of the motorway, at the collapsed Morandi Bridge site in the port city of Genoa, Italy August 14, 2018.

Kim Hyun-sook poses for photographs with an old photo showing her daughters, during an interview with Reuters at her home in Seoul, South Korea, August 2, 2018. Picture taken August 2, 2018.

Beekeeper Anna Lobyntseva, 66, holds a beehive frame at her apiary in the village of Radkovka, in Belgorod region, Russia August 12, 2018. Picture taken August 12, 2018.

People hold tricolour flags as they participate in a rally on the eve of India's Independence Day, in Ahmedabad, India, August 14, 2018.

Ivanka Trump tries out a pen that projects an image of the Moon as she tours the Astrobotic Technology facility with CEO John Thornton (L) and U.S. Representative Keith Rothfus (R) in Pittsburgh, Pennsylvania, U.S., August 14, 2018.