The attack left 10 students, four teachers, a canteen employee and a police officer wounded, Mr Sildak said.
Here's all we know.
Scarlett Faulkner, 29, was allegedly struck with an iron bar on Saturday, March 21 - three weeks ago.
The suspects’ terrace at a residential building where a boy was discovered naked and malnourished on a pile of rubbish in a van in Hagenbach,eastern France (Picture: AFP via Getty Images)
