A former counter terrorism security chief has warned of a knife crime problem spreading “right across Europe”, following a mass stabbing incident in Germany. Three people have been killed and four more have been left “seriously” injured after an unknown suspect stabbed passers-by who were attending a “diversity festival” in Solingen. Police are still actively searching for the suspected knife attacker after nine people were stabbed in the incident. Speaking to GB News, former head of the National Counter Terrorism Security Office Chris Phillips warned that attacks of this nature are “very diff…