Following is a summary of this DailyMail article:
A Syrian refugee went on a killing rampage with a machete in Reutlingen, Germany, killing a pregnant woman an inuring two others before being stopped by a bystander who hit him with his BWM. The attacker was a co-worker with the Polish woman he killed at a restaurant where the attack took place. Police have said that the refugee had also been involved in previous incidents causing injuries to other people.