German police on Wednesday stepped up their hunt for the driver of the ill-fated truck that rampaged through a Berlin Christmas market killing scores.
The only suspect, a 23-year old Pakistan asylum seeker was released from detention late Wednesday for lack of evidence raising fear of a killer on the loose.
According to Interior Minister Thomas de Maiziere and referenced by German broadcaster ZDF, the security officers are keen and can't rule out that the perpetrator is on the run.
At least twelve innocent people were killed when the Polish-registered articulated truck ploughed into the crowded market on Monday, smashing wooden stalls and crushing victims in attacked that was claimed by the Islamic State terrorist group.
Twenty-four injured remained in hospital, 14 of whom were in critical condition, according to de Maiziere.
From last year, Germany has experienced refugees’ influx with arrival of 890,000 polarizing Germany and posing a serious security threat.