Detective Constable Carla Moore, said: “We are investigating the circumstances surrounding these two incidents and are appealing for anyone with information to come and speak to us.
“We have information to suggest someone riding a high powered motorcycle was in the area at the time of the incidents. Did you see someone riding a motorbike in the area? Did you see or hear anything that could be connected? I would urge anyone with information to get in touch with us as soon as possible.”