Wangaratta Crime Investigation Unit detectives are investigating a series of explosions at numerous locations in Wangaratta in April and May this year.
It is believed the incidents were caused by improved explosives devices that cause a small explosion.
The incidents occurred:
• George Street on Saturday 13 April about 9.25pm
• Rowan Street near the Rowan Street underpass on Thursday 18 April about 9am
• At the intersection of Ryley and Perry Streets on Sunday 28 April abut 9.45am
• Ovens Street outside a school on Wednesday 8 May about 8pm
• Crammond Street on Saturday 11 May about 8pm
• Ryley Street on Sunday 12 May about 9.10pm
• Corner of Ovens and Docker Streets on Monday 20 May about 7.20pm
• Intersection of Greta and Tone Roads on Monday 20 May about 8pm
There have been no injuries or property damage.
Anyone who has witnessed any of the incidents, has CCTV, dashcam footage or any other information that could assist police is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au