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15:50

This concludes IBTimes UK's rolling coverage of the killing of Berlin attack suspect Anis Amri. For the latest news, opinion and features in the wake of the attack visit IBTimes UK.

15:40
Heavily-armed police stand outside an apartment complex where hours earlier they arrested Ahmad Abdulaziz Abdullah A., alias 'Abu Walaa', a 32-year-old imam from Iraq, on November 8, 2016 in Hildesheim, Germany
Heavily-armed police stand outside an apartment complex where hours earlier they arrested Ahmad Abdulaziz Abdullah A., alias 'Abu Walaa', a 32-year-old imam from Iraq, on November 8, 2016 in Hildesheim, Germany Getty Images

Further reports are claiming Amri had connections with an extremist network centring on a 32-year-old German-based Iraqi preacher Ahmad Abdulaziz Abdullah A, aka Abu Walaa, who was arrested in November accused of recruting for Islamic State.

Holger Muench, the head of the Federal Criminal Police Office, told AFP that Anis Amri's name "has come up in the past" in connection with the network

15:23
Video 'shows Berlin Christmas market attack suspect pledging allegiance to Isis' IBTimes UK

IBTimes UK have obtained the video of Amri pledging allegiance to ISIS.

Read a full report of his pledge.

15:09

"How about border controls?" asks Beatrix von Storch, MEP for the far right Alternative for Germany party.

She is one of many right-wing politicians to criticise Europe's open border policy in the aftermath of Amri's death.

14:52

Conservative MEP and IBTimes UK columnist Daniel Hannan has shared a map of Amri's reported movements through Europe since committing the Berlin atrocity.

14:45

A new picture of Cristian Movio - the man shot by Amri - shows him in good spirits.

14:41

Amri's pledge of allegiance to ISIS is one of the biggest developments of the day.

Here's a full report from IBTimes UK's Tom Porter.

14:37

Geert Wilders is the latest politician to voice criticism of Europe's open border arrangements.

Earlier, Marine Le Pen took aim at Schengen.

14:25

Some lines from Amri in his ISIS pledge video:

"My message to crusaders bombing Muslims everyday... Their blood will not go in vain. We are a nation behind them and will take revenge for them.

I call on my Muslim brothers everywhere... Those in Europe, kill the crusader pigs, each person to their own ability."

14:10

Merkel: "The question and danger of terrorism will continue for me and the government. It is the responsibility of the state to safeguard citizens and we will do our utmost to do this.

Berlin truck crash
German Chancellor Angela Merkel has made her first comments since Anis Amri was killed. John Macdougall/AFP

"You can rely on our values being stronger than the hateful values of terrorism"

14:08

Merkel emphasises the importance of European partners working together "across borders".

She said she had spoken to the Tunisian president and wants to speed up the process of sending failed asylum seekers back.

She added: "There are questions about how he reached Germany. I have asked the interior minister in collaboration with federal states and security agencies to analyse every detail and provide results as soon as possible.

"Then, if political and legal adjustments need to be provided, they will."

"Those who have no right to reside in Germany will see consequences."

14:05

Angela Merkel: "I thanked the Italian Prime Minister.

"We express our gratitude to the Italian authorities and police... Especially the Italian police officer who was injured in that shooting, I wish him a speedy recovery."

13:58

Angela Merkel is expected to be making her first statement in response to the development in the next few minutes.

IBTimes UK will be covering the press conference.

13:38

Islamic State has reportedly released a video of Amri through its al-Amaq agency in which he pledges allegiance to the group's leader, Abu Bakr al-Baghdadi.

After the terror attacks in Bavaria and on a church near Rouen over the summer, IS released videos of the perpatrators pleding allegiance to the group.

13:33

At a press conference in Berlin, German Interior Minister Tomas de Maziere confirmed that Amri was the person killed in MIlan, and said German officials were travelling to help Italian authorities with their investigation.

He said that despite Amri's death, the investigation into the Berlin attack was ongoing, and said "The terrorist risk remains high."

13:27

Islamic State has has reportedly announced through its Al Amaq news agency that Amri was the person responsible for the Berlin attack.

In the wake of the attack, IS claimed one of its "soldiers" was responsible, but did not name Amri.

12:56

Germany's federal prosecutor Peter Frank has told a press conference in Berlin that an investigation to ascertain whether Amri had any accomplices is ongoing.

A BBC translation reported him as saying: "We need to establish whether there was a network of accomplices. That is the focal point of our investigation. If there were accomplices and co-offenders then of course they need to be part of our investigation.

"The investigation is ongoing against unnamed people."

12:52
Angela Merkel
German Chancellor Angela Merkel will be speaking at 2pm GMT. Hannibal Hanschke/Reuters

Angela Merkel will be giving a statement at 2.00pm GMT. The German Chancellor has come under intense pressure from opposition parties for her open-door immigration policy, which critics say has made Germany a more dangerous place.

IBTimes UK will be keeping you up to date with all the latest.

12:41

Berlin police thank their Italian counterparts in a tweet written in both German and Italian. It reads: "Thanks and a speedy recovery to our wounded colleagues"

12:23

Former Ukip leader Nigel Farage also wading in with criticism of Schengen, in the wake of reports Amri travelled through Germany and France before entering Italy.

12:19
Marine Le Pen
French far-right party Front National (FN) President and member of the European Parliament, Marine Le Pen Francois Nascimbeni/ AFP

French far right Front National leader Marine Le Pen has renewed her criticism of the EU and the Schengen Zone of free movement in the wake of reports that Amri crossed three European border as police hunted him.

"This escape across two or three countries at a minimum is symptomatic of the security catastrophe the Schengen zone represents," she said in a statement.

12:11

12:01

The Wall Street Journal is reporting that Amri sold drugs in Berlin after arriving in the city.

"He loves money, and if you take one of his customers, he would go crazy," a fellow Tunisian drug dealer, Ayman, who said he often saw Amri selling cocaine in Berlin's hip Kreuzberg neighborhood told the publication.

11:50

Italian police have released a picture of Cristian Movio, the officer who killed Amri in a shootout in Milan. He is recovering from a shoulder injury sustained in the exchange of fire.