Investigating officer Det Insp Andy Howard said: “We are keen to talk to anyone who was in Vulcan Drive yesterday in the early evening and saw anything suspicious.
“We are not looking for anyone else in connection with this incident but are trying to piece together what happened.
“In particular, we would like to speak to a group of youths who were outside at about the time of the incident."
More top news
Wednesday night's weather for the east of the region
Wednesday night's weather for the west of the region
It'll be alright on the night! Piece to camera filming gets photo-bombed by excitable solstice visitors