Officers investigating the incident have today arrested a man on suspicion of assault.
A spokesman said: “He has been released on conditional bail while enquiries continue.
“Officers continue to appeal for anyone who witnessed the incident, captured any relevant dash-cam or mobile phone footage, or who has any other information to report it online or by calling 101, quoting reference 1094 of 19/07.”
Police are still urging people not to discuss the identity of either man.
