Hundreds of people in Magdeburg formed a human chain on Monday to remember the victims of the attack on a Christmas market in the city, and to stand against right-wing extremists seeking to exploit the killings.

Mourners are laying flowers near the scene of the deadly Christmas market attack as investigators puzzle over the motive of the suspect.

The alleged perpetrator of the deadly car-ramming attack on a Christmas market last week in Germany had been contacted by police just weeks before the incident, authorities said on Monday. The attack in the central city of Magdeburg on Friday,