Large Police Operation in Hamburg

At least 12 people have been injured, 6 of whom are in serious condition, following a knife attack at Hamburg's main train station. This was reported by the Bild newspaper.

"A knife attack occurred at Hamburg's central station on Friday evening," the report states.

After the incident, the Hamburg police announced a "major police operation" in the city. A woman has been arrested on suspicion of committing the crime.