At least six people were killed and several more injured after a shooting in the northern German city of Hamburg on Thursday evening, Reuters reported. Police in Hamburg tweeted that there was a major police operation in the district of Alsterdorf. Focus Online media reported that the perpetrators are on the run and that emergency services and doctors were at the scene. No details were immediately available regarding the background to the incident and it remains unclear whether the incident was terror-related, though Germany has been hit by several terrorist attacks in recent years. .....