02 Berlin market 1219
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How the Berlin attack unfolded
01:10 - Source: CNN
Berlin Christmas market crash 13 videos
02 Berlin market 1219
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How the Berlin attack unfolded
01:10
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Ansi Amri facebook video
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Berlin attack suspect vowed loyalty to ISIS
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Anis Amri mother Berlin Christmas market attack mother
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Berlin attacker's mom: My son not a terrorist
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A policeman and firemen stand next to a truck on December 20, 2016 at the scene where it crashed into a Christmas market near the Kaiser-Wilhelm-Gedaechtniskirche (Kaiser Wilhelm Memorial Church) in Berlin. German police said they were treating as "a probable terrorist attack" the killing of 12 people when the speeding lorry cut a bloody swath through the packed Berlin Christmas market.
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Berlin truck caught on dashcam
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Police patrol inside the Christmas market area and past the destroyed booths two days after an attack with a truck in front of the Kaiser-Wilhelm-Gedaechtniskirche (Kaiser Wilhelm Memorial Church) in Berlin on December 21, 2016. German police on December 21, 2016 stepped up their hunt for the driver of a truck that ploughed through a Berlin Christmas market, in a deadly assault claimed by the Islamic State jihadist group.
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New video shows truck speeding toward market
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Federal prosecutor's office and the Federal Criminal Police Office ask for help with the reconnaissance to the attack on the Christmas market at the Berlin Memorial Church on December 19, 2016! On December 19, 2016, a saddle truck type Scania, along with trailers with a Polish license plate, arrived at the entrance of the Christmas market at the Ged‰chtniskirche am Breitscheidplatz. The vehicle captured numerous people on the Christmas market and came to a halt after 60-80 meters on the Budapest road. According to a testimony, a person was removed from the vehicle shortly thereafter, and has since been fleeting. The 24 year old Tunisian citizen Anis AMRI is urgently suspicious of this situation.
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Berlin terror suspect was on U.S. no-fly list
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t1 berlin suspect inset 1221
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German Chancellor: 'We will persevere'
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berlin christmas market attack doctor victims foster dnt_00000224.jpg
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Berlin doctor decribes victims' trauma
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BERLIN, GERMANY - DECEMBER 20: The Brandenburg Gate stands illuminated in the colors of the German flag the day before a truck drove into a crowded Christmas market in the city center on December 20, 2016 in Berlin, Germany. So far 12 people are confirmed dead and 45 injured. Authorities have confirmed they believe the incident was an attack and have arrested a Pakistani man who they believe was the driver of the truck and who had fled immediately after the attack. Among the dead are a Polish man who was found on the passenger seat of the truck. Police are investigating the possibility that the truck, which belongs to a Polish trucking company, was stolen yesterday morning. (Photo by Sean Gallup/Getty Images)
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Germany mourns after attack in Berlin
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Policemen stand next to a truck that crashed into a Christmas market in Berlin, on December 19, 2016 killing at least one person and injuring at least 50 people. Ambulances and police rushed to the scene after the driver drove up the pavement of the market in a central square popular with tourists less than a week before Christmas, in a scene reminiscent of the deadly truck attack in Nice.
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'Everybody just started running'
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An ambulance and rescue workers arrive to the area after a lorry truck ploughed through a Christmas market on December 19, 2016 in Berlin, Germany. Several people have died while dozens have been injured as police investigate the attack at a market outside the Kaiser Wilhelm Memorial Church on the Kurfuerstendamm and whether it is linked to a terrorist plot.
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Was Berlin Christmas market crash terrorism?
01:53
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Rescue forces stand in front of the truck that speed into a Christmas market in Berlin, on December 19, 2016 killing nine persons and injuring at least 50 people. Ambulances and police rushed to the scene after the driver drove up the pavement of the market in a central square popular with tourists less than a week before Christmas, in a scene reminiscent of the deadly truck attack in Nice.
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Berlin witness: Big hole in truck's windshield
02:11
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An injured woman leaves the scene at Brussels airport after explosions rocked the facility Tuesday morning.
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The vulnerability of 'soft targets' to terror
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Story highlights

White House condemns "'what appears to have been a terrorist attack"

Berlin police: 12 are dead, 48 injured

Berlin CNN  — 

A tractor trailer barreled into a crowded Christmas market in Berlin on Monday night, killing 12 people and injuring 48 others. Witnesses said shoppers screamed and dropped packages and glasses of mulled wine as the truck plowed into the market.

Officials are investigating the crash as an act of terrorism, according to a German intelligence official familiar with the matter.

After a tip, Berlin police arrested a man on foot about a mile and a half away from the crash site. Authorities are working to determine whether he is linked to the case.

Some of the 48 people in the hospital have serious injuries, Berlin police tweeted.

The truck that was involved in the crash at Breitscheidplatz, in the western part of central Berlin, had Polish license plates, police spokeswoman Kerstin Ziesmer said. Berlin police tweeted that a passenger found dead in the truck was a Polish citizen.