Between 1am and 2am on Monday a 24-year-old woman was attacked in Dixon Road, Govanhill, by two men.
Police investigating the sex attack today said two witnesses have come forward.
It is understood the two men who came forward were described as wearing high visibility jackets.
CCTV footage shows her outside the SPAR shop at 647 Cathcart Road shortly after 1am and then again about 1.50am.
Detective Inspector Liz McLean said: “It’s possible they have information which could prove vital in assisting the investigation and help us trace those responsible for this attack.”
The woman was seen in the company of two men: the first has a sallow complexion and very dark hair and was wearing a dark jumper, trousers and white trainers.
The second also has a sallow complexion and dark hair. He too was wearing dark coloured clothing.
Anyone with information is asked to contact officers at London Road Rape Investigation Unit on 101.