Police in Kirkcudbright want to speak to the owner of a silver Rover or MG seen in the St Mary's Isle area of the town on around 11pm on Saturday night.
The appeal comes after a 23 year-old man was assaulted there an altercation at a festival.
He is in a stable condition in hospital.
More top news
A look ahead at the Bank Holiday forecast for the Border region.
Cumbria County Council will start work on a £320,000 resurfacing scheme on 6 June, between 6.00pm and 12.30am.
ITV Border's favourite Tapir has left the Lake District Wildlife Park near Keswick, to travel to his new home in the United Arab Emirates.