Three people including the nephew of the Berlin Christmas market attacker Anis Amri have been arrested in Tunisia.
Tunisia's Interior Ministry said Amri - who was shot dead on Friday - had sent his 18-year-old nephew Fedi money to join him in Europe.
Twelve people were killed and dozens more injured in the attack on Monday.
Police in Germany managed to locate the suspect of the Berlin Christmas market 'attack' after a member of the public allegedly chased after him.
German newspaper Die Welt said the suspect jumped out of the cab and ran down the street towards Tiergarten - a large park in the city - but a passerby, who wants to remain anonymous, reportedly followed him before calling the police.
The funeral for the lorry driver killed in the Berlin Christmas market attack has taken place in his home country of Poland.
Footage has emerged of the final moment before a truck ploughed into a crowd of people at a Christmas market in Berlin.
A man is being hunted by German police after a lorry ploughed into a Berlin Christmas market on Monday, killing 12, but who is the suspect?