Detectives from the Gang Crime Squad are continuing to investigate an incident that occurred on the evening of Tuesday, March 2.
That evening, shots were fired outside of a residence in Sedgeland Way, Ascot.
Further enquiries have identified a second vehicle of interest, a white Mercedes sedan, which was found burnt-out in Keysbrook on Wednesday, March 3.
Detectives are now investigating the circumstances surrounding the discovery of the second vehicle.
Anyone who saw a white Mercedes between March 2-3, particularly in the Ascot and Keysbrook areas, is asked to contact Crime Stoppers on 1800 333 000 or report online.
Anyone who has dash-cam or CCTV footage is encouraged to upload the vision via this link.