Many further protests have followed since then in cities around the world.
Then when protests followed, police periodically opened fire on the demonstrators.
Whether more protests will follow, they said, was unknown.
Large protests and vigils followed in the wake of the attacks.
When protests followed, the foundation warned employees not to discuss the firing on the air.
It is not clear how many protests follow failed attempts to settle disputes in court.
But the group warned that more protests could follow.
A protest followed on 29 February whose participants faced severe police beating.
The agency made award to that firm and this protest followed.
The previous year, protests had followed the decision to tear down the old Florianikirche.