A pipe bomb exploded outside two schools in Canberra on Friday afternoon.
Police said the device was detonated around 2pm between Lanyon High School and St Clare of Assisi Primary School on Heidelberg Street in Condor.
The ABC reports no one was injured and no property was damaged.
"We occasionally get this sort of thing happening, it used to be quite more frequent back in the days with fireworks," Superintendent Paul Shakeshaft said.
"But we haven't had anything like a pipe bomb for quite some time."