After 4ZZZ was evicted from its UQ premises in 1988, staff temporarily broadcast from the Mount Coot-tha transmission tower, using a cassette player which was set up to go straight to air.
Copenhagen attacks: police kill suspected attacker
The first shooting at a café hosting a debate on free speech left an elderly man dead and several injured.
A further shooting occurred hours later at a synagogue, leaving one man dead and two police officers wounded.
The usually peaceful Denmark has not had such attacks on its soil in decades.