Palestinian Hamas supporters try to catch sweets as they celebrate the West Bank shooting attack, in the northern Gaza Strip March 17, 2019.

Russian Troikas, sledges drawn by three horses, compete on the ice-covered Yenisei River during the annual Ice Derby amateur horse race near the Siberian settlement of Novosyolovo, south of Krasnoyarsk, Russia March 16, 2019.

Demonstrators clash with riot police officers at a protest against Serbian President Aleksandar Vucic and his government outside the presidential building in Belgrade, Serbia, March 17, 2019.

People tour the inside 'The Vessel,' a large public art sculpture made up of 155 flights of stairs, during the grand opening of the The Hudson Yards development, a residential, commercial, and retail space on Manhattan's West side in New York City, New York, U.S., March 15, 2019. Image used for illustrative purpose.

Bikers, including members of the motorcycling club "Night Wolves", ride before a festive event marking the fifth anniversary of Russia's annexation of Crimea on Mount Gasforta in Sevastopol, Crimea March 16, 2019.

Protesters dance to music as they take part in an anti-racism march in London, Britain March 16, 2019.

Aktar, a woman whose husband is missing after Friday's mosque attacks, reacts outside a community center near Masjid Al Noor in Christchurch, New Zealand, March 16, 2019.

Slovakia's presidential candidate Zuzana Caputova casts her vote during the country's presidential elections at a polling station in Pezinok, Slovakia, March 16, 2019.

A visitor looks at a display of candles during the Festival of Lights Cittadella, in the medieval citadel in Victoria, on the island of Gozo, Malta, March 16, 2019.

Women embrace near Masjid Al Noor mosque in Christchurch, New Zealand, March 17, 2019.

Catherine, Duchess of Cambridge chats with a guard during the St Patrick's Day Parade in Cavalry Barracks in Hounslow, Britain March 17, 2019.

People hold balloons reading "Never Again" during a memorial marking the 76th anniversary of the first deportation of Jews from Thessaloniki to Auschwitz, in Thessaloniki, Greece, March 17, 2019.

A man rides a horse during celebrations marking the traditional holiday Todorov Den, also known as Horse Easter, near the village of Bachevo, Bulgaria, March 16, 2019.

A boy sprays coloured water on a girl during religious religious festival of Holi inside a temple in Nandgaon village, in the state of Uttar Pradesh, India, March 16, 2019.

Soccer Football - La Liga Santander - Real Madrid v Celta Vigo - Santiago Bernabeu, Madrid, Spain - March 16, 2019 Real Madrid's Gareth Bale.

Rugby Union - Six Nations Championship - Wales v Ireland - Principality Stadium, Cardiff, Britain - March 16, 2019 Wales celebrate winning the Six Nations Championship after the match.

An aerial view of Spencer Dam after a storm triggered historic flooding, near Bristow, Nebraska, U.S. March 16, 2019. Office of Governor Pete Ricketts/Handout via REUTERS

Servicemen of the Belarusian Interior Ministry's special forces perform as they mark Internal Forces Day in Minsk, Belarus March 17, 2019.

People watch as large waves crash against the seawall during strong winds at Porthcawl, Britain, March 16, 2019.

A serviceman of the Belarusian Interior Ministry's special forces performs as he marks Internal Forces Day in Minsk, Belarus March 17, 2019.

Brexit campaigner Nigel Farage gestures during 'Brexit Betrayal' march from Sunderland to London, in Sunderland, Britain March 16, 2019.

Participants throw toys towards law enforcement officers during a rally held by members of Ukrainian nationalist movements, who demand an investigation into top officials' activities suspected of corruption, near the presidential administration headquarters in Kiev, Ukraine March 16, 2019.

A protester wearing a yellow vest walks in front of demolished metal fencing during a demonstration by the "yellow vests" movement in Paris, France, March 16, 2019.

Flowers and signs are pictured at a memorial as a tribute to victims of the mosque attacks, near a police line outside Masjid Al Noor in Christchurch, New Zealand, March 17, 2019. REUTERS/Jorge Silva

Soccer Football - African Champions League - Group Stage - Group D - Al Ahly v JS Saoura - Borg El Arab Stadium, Alexandria, Egypt - March 16, 2019 An injured Al Ahly fan is carried away by the stewards before the match.