A man reacts as he speaks on a mobile phone near a mosque in central Christchurch, New Zealand, Friday, March 15, 2019. Multiple people were killed in mass shootings at two mosques full of people attending Friday prayers, as New Zealand police warned people to stay indoors as they tried to determine if more than one gunman was involved. (Photo by Mark Baker/AP Photo)





A body lies on the footpath outside a mosque in central Christchurch, New Zealand, Friday, March 15, 2019. A witness says many people have been killed in a mass shooting at a mosque in the New Zealand city of Christchurch. (Photo by Mark Baker/AP Photo)





Armed police patrol outside a mosque in central Christchurch, New Zealand, Friday, March 15, 2019. A witness says many people have been killed in a mass shooting at a mosque in the New Zealand city of Christchurch. (Photo by Mark Baker/AP Photo)





Workers erect floral installations at the scene where the Ethiopian Airlines Boeing 737 Max 8 crashed shortly after takeoff on Sunday killing all 157 on board, near Bishoftu, or Debre Zeit, south of Addis Ababa, in Ethiopia Wednesday, March 13, 2019. Much of the world, including the entire European Union, has grounded the Boeing jetliner involved in the Ethiopian Airlines crash or banned it from their airspace, leaving the United States as one of the few remaining operators of the plane involved in two deadly accidents in just five months. (Photo by Mulugeta Ayene/AP Photo)





Relatives react at the scene where the Ethiopian Airlines Boeing 737 Max 8 crashed shortly after takeoff on Sunday killing all 157 on board, near Bishoftu, south of Addis Ababa, in Ethiopia Wednesday, March 13, 2019. The black box from the Boeing jet that crashed will be sent overseas for analysis but no country has been chosen yet, an Ethiopian Airlines spokesman said Wednesday, as much of the world grounded or barred the plane model and grieving families arrived at the disaster site. (Photo by Mulugeta Ayene/AP Photo)





Candle flames burn during a commemoration ceremony for the victims at the scene of the Ethiopian Airlines Flight ET 302 plane crash, near the town Bishoftu, near Addis Ababa, Ethiopia on March 14, 2019. (Photo by Tiksa Negeri/Reuters)





A relative puts soil on her face as she mourns at the scene of the Ethiopian Airlines Flight ET 302 plane crash, near the town Bishoftu, near Addis Ababa, Ethiopia on March 14, 2019. (Photo by Tiksa Negeri/Reuters)





A student reacts while paying tribute to victims of the shooting in the Raul Brasil school in Suzano, Sao Paulo state, Brazil on March 13, 2019. (Photo by Ueslei Marcelino/Reuters)





A woman stands weeping in the rain during the burial of 15-year-old student Kaio Lucas da Costa Limeira, a victim of a mass shooting at the Raul Brasil State School in Suzano, Brazil, Thursday, March 14, 2019. Classmates, friends and families began saying goodbye on Thursday, with thousands attending a wake in the Sao Paulo suburb while authorities worked to understand what drove two former students to attack the school with a gun, crossbows and small axes. (Photo by Andre Penner/AP Photo)





A demonstrator offers a flower to a police officer as teachers and students take part in a protest demanding immediate political change in Algiers, Algeria on March 13, 2019. (Photo by Ramzi Boudina/Reuters)





Pro-Brexit protesters demonstrate outside the Houses of Parliament in London, Britain March 12, 2019. European Union officials on Wednesday criticized the U.K. Parliament for rejecting a Brexit deal for a second time as the bloc prepared for a chaotic, cliff-edge departure. (Photo by Henry Nicholls/Reuters)





17-year-old Farhana Islam of Albert Einstein high school in Kensington, Maryland demonstrates with other high school students outside the U.S. Capitol building with the word “ENOUGH” written across her face during a walk out protest over a lack of U.S. federal government action and legislation on gun violence and school shootings in Washington, U.S., March 14, 2019. (Photo by Leah Millis/Reuters)





Activist from NGO Rio de Paz (Peace Rio) Thais Ferreira da Silva, representing the late activist and councilwoman Marielle Franco, performs in front of an empty jail to mark the first year of Franco's murder, in downtown Rio de Janeiro, Brazil on March 13, 2019. (Photo by Sergio Moraes/Reuters)





Seungri, center, member of a popular K-pop boy band Big Bang, closes his eyes upon his arrival at the Seoul Metropolitan Police Agency in Seoul, South Korea, Thursday, March 14, 2019. After their stunning retirement announcements, two K-pop stars including a member of the superstars Big Bang are facing police questioning over a series of interlocking scandals that have roiled South Korea for weeks. (Photo by Ahn Young-joon/AP Photo)





The International Space Station (ISS) crew member Christina Koch of the U.S. reacts in a bus before leaving for pre-flight preparation at the Baikonur Cosmodrome, Kazakhstan March 14, 2019. (Photo by Shamil Zhumatov/Reuters)





An Orthodox priest conducts a blessing service in front of the Soyuz FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Thursday, March 14, 2019. The new Soyuz mission to the International Space Station (ISS) is scheduled on Thursday, March 14 with U.S. astronauts Christina Hammock Koch, Nick Hague, and Russian cosmonaut Alexey Ovchinin. (Photo by Dmitri Lovetsky/AP Photo)





Vietnamese Doan Thi Huong, center, is escorted by police as she arrives at Shah Alam High Court in Shah Alam, Malaysia, Thursday, March 14, 2019. Vietnam has urged Malaysia to release the second woman accused of killing the estranged half brother of North Korea's leader after her co-defendant was unexpectedly set free this week. (Photo by Vincent Thian/AP Photo)





Thailand's Prime Minister Prayuth Chan-ocha performs a traditional dance with performers at Khon Kaen railway station during a visit ahead of the general election in Khon Kaen Province, Thailand, March 13, 2019. (Photo by Athit Perawongmetha/Reuters)





Workers are seen on “The Vessel” (R) comprised of 154 connected flights of stairs and 80 landings designed by Thomas Heatherwick and on “The Shed” arts center (L) at the Hudson Yards development on Manhattan's West side, in New York City, New York, U.S., March 12, 2019. The Thomas Heatherwick design opens to the public Friday, March 15, 2019. (Photo by Mike Segar/Reuters)





In this Tuesday, March 12, 2019 photo, a visitor takes part in an immersive experience showing visitors how dogs see from inside the head of a dog at the California Science Center in Los Angeles. A new exhibit at a Los Angeles museum examines the relationship between dogs and humans and explores why the two species seem to think so much alike and get along so well. “Dogs! A Science Tail” opens Saturday, March 16, 2019, at the California Science Center. (Photo by Richard Vogel/AP Photo)





A worker attaches a name tag of a Buddhist who made donation to a lantern for the upcoming celebration of Buddha's birthday on May 12 at the Jogye temple in Seoul, South Korea, Wednesday, March 13, 2019. Similar lanterns will be displayed in all Buddhist temples around South Korea for the public viewing. (Photo by Ahn Young-joon/AP Photo)





Lady racegoers parade in their finest dress during Ladies Day of the Cheltenham Festival at Cheltenham Racecourse on March 13, 2019 in Cheltenham, England. (Photo by Michael Steele/Getty Images)





Donnie Wahlberg is seen filming “Blue Bloods” on March 12, 2019 in New York City. (Photo by Jose Perez/Bauer-Griffin/GC Images)





Models present creations by Pakistani designer Sana Safinaz on the first day of the Fashion Pakistan Week (FPW) in Karachi on March 12, 2019. (Photo by Asif Hassan/AFP Photo)