American Airlines 737 max passenger planes are parked on the tarmac at Tulsa International Airport in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CORRECTING PLANE MODEL AND SLUG, REMOVING REFERENCE TO CORONAVIRUS

American Airlines 737 max passenger planes are parked on the tarmac at Tulsa International Airport in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CORRECTING PLANE MODEL AND SLUG, REMOVING REFERENCE TO CORONAVIRUS

American Airlines 737 max passenger planes are parked on the tarmac at Tulsa International Airport in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CORRECTING PLANE MODEL AND SLUG, REMOVING REFERENCE TO CORONAVIRUS

American Airlines 737 max passenger planes are parked on the tarmac at Tulsa International Airport in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford TPX IMAGES OF THE DAY REFILE - CORRECTING PLANE MODEL AND SLUG, REMOVING REFERENCE TO CORONAVIRUS

UPDATE Updated slug. Map showing the ring of fire, and locations of volcanoes in the region.

Salim Boughriff, a server at the Belgian restaurant "65 degres" serves a customer at the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Steen Swalus, a server at the Belgian restaurant "65 degres" serves a customer at the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Steen Swalus, a server at the Belgian restaurant "65 degres" cleans a counter at the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Marie Sophie Lamarche, a server at the Belgian restaurant "65 degres" smiles at the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Steen Swalus, server at the Belgian restaurant "65 degres" cleans a counter at the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Clemence Poncelet, a server at the Belgian restaurant "65 degres" carries utensils, in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Outside view of the Belgian restaurant "65 degres" in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Steen Swalus, waiter at the Belgian restaurant "65 degres" serves a customer in the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

Steen Swalus, waiter at the Belgian restaurant "65 degres" poses for a picture in the restaurant in Brussels, Belgium November 22, 2019. Picture taken November 22, 2019. REUTERS/Johanna Geron THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY SLUGGED: BELGIUM-RESTAURANT/DISABLED - NO STAND-ALONE USES.

A tattoo artist works during a ceremony opening an exhibition of drawings of prison-style tattoos by Oleg Navalny, brother of Russian opposition leader Alexei Navalny, in Moscow, Russia September 3, 2019. Picture taken September 3, 2019. REUTERS/Polina Ivanova REFILE - CORRECTING SLUG

Russian opposition leader Alexei Navalny speaks with his brother Oleg Navalny, who opens an exhibition of his drawings of prison-style tattoos in Moscow, Russia September 3, 2019. Picture taken September 3, 2019. REUTERS/Polina Ivanova REFILE - CORRECTING SLUG

REFILE - UPDATING SLUG Philadelphia Mayor Jim Kenney speaks with John McNesby, President of Fraternal Order Police Lodge #5, at the Trauma Center of Temple University Hospital in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

REFILE - UPDATING SLUG U.S. Attorney William McSwain departs after visiting injured police officers at the Trauma Center of Temple University Hospital in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

REFILE - UPDATING SLUG Police tape is seen during an active shooter situation, where Philadelphia police officers were shot during a drug raid on a home, in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

REFILE - UPDATING SLUG Police and medics respond to an active shooter situation, where Philadelphia police officers were shot during a drug raid on a home, in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

REFILE - UPDATING SLUG Police respond to an active shooter situation, where Philadelphia police officers were shot during a drug raid on a home, in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

REFILE - UPDATING SLUG Police and medics respond to an active shooter situation, where Philadelphia police officers were shot during a drug raid on a home, in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

REFILE - UPDATING SLUG Paramedics roll a stretcher near the scene of a shooting incident in which several police were injured in Philadelphia, Pennsylvania, U.S. August 14, 2019. REUTERS/Bastiaan Slabbers

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda's Faruku Miya with Senegal's Cheikhou Kouyate after the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane after the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda's Allan Kyambadde in action with Senegal's Sadio Mane REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Idrissa Gueye in action with Uganda's Micheal Azira REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda coach Sebastien Desabre REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Kalidou Koulibaly and Youssouf Sabaly in action with Uganda's Emmanuel Okwi REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Lamine Gassama in action with Uganda's Lumala Abdu REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda's Denis Onyango celebrates after a saving a penalty from Senegal's Sadio Mane REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Cheikhou Kouyate reacts REUTERS/Sumaya Hisham

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's M'Baye Niang in action with Uganda's Murshid Jjuko and Khalid Aucho REUTERS/Sumaya Hisham

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Players clash REUTERS/Sumaya Hisham

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Idrissa Gueye in action with Uganda's Emmanuel Okwi REUTERS/Sumaya Hisham

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Youssouf Sabaly in action with Uganda's Lumala Abdu REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 General view of empty seats REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal coach Aliou Cisse REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal coach Aliou Cisse REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda coach Sebastien Desabre REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda coach Sebastien Desabre REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Kalidou Koulibaly in action with Uganda's Faruku Miya REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Cheikhou Kouyate in action with Uganda's Murshid Jjuko REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane celebrates scoring their first goal with team mates REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane celebrates scoring their first goal with team mates REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane celebrates scoring their first goal REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane celebrates scoring their first goal REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane celebrates scoring their first goal with team mates REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Uganda's Emmanuel Okwi is shown a yellow card by referee Mustapha Ghorbal REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Sadio Mane in action REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Youssouf Sabaly in action with Uganda's Lumala Abdu REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Henri Saivet in action REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal's Moussa Konate in action with Uganda's Hassan Wasswa REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Fans outside the stadium before the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Security outside the stadium before the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Security outside the stadium before the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 General view of the moon before the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal fans outside the stadium before the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 Senegal fans inside the stadium before the match REUTERS/Amr Abdallah Dalsh

Soccer Football - Africa Cup of Nations 2019 - Round of 16 - Uganda v Senegal - Cairo International Stadium, Cairo, Egypt - July 5, 2019 General view inside the stadium before the match REUTERS/Amr Abdallah Dalsh