18 people injured in knife attack in Hamburg

The number of people injured in a knife attack at Hamburg's central train station has risen to 18, NDR reports.
The media outlet said that "18 people were injured, four of whom suffered life-threatening injuries."
A knife attack took place at Hamburg's central station the day before. Police said a 39-year-old woman had been arrested on suspicion of the attack. According to Spiegel magazine, police believe the suspect has mental health problems and the crime was not politically motivated.