Police in Germany are searching for a Tunisian over Monday’s Berlin Christmas market attack, that is according to media reports.
With reference to a temporary-stay permit found in the cab of the lorry that ploughed into crowds, the man, named as Anis A, was born in 1992 in the city of Tataouine, the reports say.
The report also states that a police operation is under way in the state of North Rhine-Westphalia where the permit was issued.
Further more, reports say the Tunisian may have been injured in a tussle with the driver.
According to the newspapers Allgemeine Zeitung and Bild, the Tunisian suspect is aged 21 or 23 and is also known to use false names.
The report says he applied for asylum in April and was given a temporary residence permit.
Broadcaster N-TV said “measures are now imminent” in North Rhine-Westphalia but there are no details.
Officials have not confirmed the reports so far.
Twelve people died and 49 were injured when the truck was driven into crowds at the Breitscheidplatz Christmas market.
So-called Islamic State (IS) said one of its militants carried out the attack, but has offered no evidence.
It has emerged that the original driver of the truck may have fought the attacker as the vehicle was being driven into the market.
Polish citizen Lukasz Urban was found dead on the passenger seat with gunshot and stab wounds.
Investigators quoted by German media say there is evidence that, despite being stabbed, Urban wrestled him for the steering wheel.
One official quoted by Bild newspaper said it appeared from the post-mortem examination that the driver had survived up to the attack and was shot dead when the truck came to a halt. No gun has been recovered.