Berlin (CNN)Police are searching for a Tunisia in man in his early 20s in connection with the Berlin Christmas market attack, a German security official told CNN on Wednesday.
The suspect's identity papers were found inside the cabin of the truck used in Monday's attack, which left 12 people dead and 48 injured, the official said. The man was born in 1992, he said.
An urgent manhunt is underway for the suspect, who is potentially armed and dangerous, before he can strike again, CNN terrorism analyst Paul Cruickshank said.
German Interior Minister Thomas de Maizière confirmed that a new suspect was being sought in connection with the attack but declined to confirm his identity. He told reporters a manhunt for the suspect had been underway in Germany and across Europe since midnight.