Police are investigating after an unknown substance was sprayed in three business premises in Upper Gornal just after 7pm last night (20 Oct).
Paramedics treated 14 people at the scene with breathing difficulties and one other was taken to hospital. Fortunately none have suffered any lasting effects.
WMP are fast-tracking CCTV enquiries and speaking to witnesses. Forensics experts have examined each premises to establish the nature of the substance.