This image shows a policeman wearing a mouth cover to help him breathe during the Great Smog of London that occurred December 5-9, 1952. It is believed some 4,000 people died as a direct result from the smog, which during a period of cold weather, combined with an anticyclone and windless conditions, collected airborne pollutants – mostly arising from the use of coal – to form a thick layer of smog over the city.
On September 21, 2013, a little girl runs to safety during the terrorist attack at the Westgate shopping mall in Westlands, Nairobi, Kenya that killed 67 mall patrons and wounded another 175. The 4 attackers opened fire on any suspected non Muslim, even asking possible Muslims to quote holy text and executing those that could not. They eventually had multiple gun battles with police before being killed.
A man carries a injured child from barrel bombs dropped by warplanes loyal to Syria's President Bashar al-Assad, in Aleppo's Al-Shaar neighborhood on November 6, 2014.
An Iraqi man carrying a cross and a Koran attends a mass at Mar Girgis Church in Baghdad after being forced from Mosul after ISIS took control of it in 2014.
This image shows some blind victims of the Bhopal Gas Disaster. This event killed 3,787 people when on December 2-3, 1984, at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh, India, a huge gas leak exposed over 500,000 to toxic fumes. Another 8,000-10,000 people are believed to have died from exposure in the months that followed.
Aftermath of the Great Chicago Fire that lasted from October 8 - 10, 1871. The fire destroyed much of the city, killed 300 people, left 100,000 homeless, and all started from a simple barn fire.
An officer embraces the gate of the South Carolina church where Dylann Roof killed 9 people after praying with them for 40 minutes during a bible class on June 17, 2015. He was just found guilty and sentenced to death.
This was one of the moments right before the Space Shuttle Columbia disintegrated over Texas and Louisiana as it re-entered Earth's atmosphere, killing all seven crew members. It occurred on February 1, 2003, when damage from take off on the hull allowed hot atmospheric gases to penetrate and destroy the internal wing structure, which caused the spacecraft to become unstable and slowly break apart. That is astronaut Kalpana Chawla waving to the camera.
What remained of the Plaza Towers Elementary School in Moore, Oklahoma, US after it was destroyed by a tornado on May 20, 2013. Unfortunately 9 children were killed, with 24 total deaths and 212 injured.
Petty Officer 3rd Class Travis L. Youngblood, 26, of Surrency, Georgia, died July 21, 2005, of wounds received July 15, 2005, from an improvised explosive device during combat operations in Hit, Iraq. Here his children embrace his gravestone at Arlington National Cemetery.