Berlin police continued their search on Friday for a man who left a bag of highly explosive material at a local train station after he was detained by officers in a routine check. Police searched the railway lines in the Neukölln area, near the train station in southern Berlin where he was stopped by police on Wednesday and fled the scene. Officers are hoping to secure possible evidence, a police spokeswoman said, without providing further details. Officers are looking for the suspect’s mobile phone, according to a report in B.Z. newspaper. Investigators are also looking for a second suspect, …