Rangers fan group Union Bears have shared pictures of vandalism outside Fir Park on social media.
Fireworks could be heard going off outside Motherwell’s ground on Sunday as Steven Gerrard’s side cruise to a 5-1 victory in their Scottish Premiership encounter.
Doubles from James Tavernier and Cedric Itten, as well as Jordan Jones’ strike ensure a comfortable afternoon for Rangers.
Scottish top flight games continued to be played behind closed doors due to coronavirus restrictions.
Fans have been encouraged not to congregate outside stadiums, but the Union Bears Twitter accounts appeared to show members of the group gathering outside Fir Park.
A post on the Union Bears account entitled "Motherwell (A) 27/09/20" shows fans, wearing hoods with their backs turned away from the camera, holding flares outside Fir Park and one also showed graffiti on the wall outside the stadium's main entrance.
Fans have condemned the graffiti when reacting on social media.
@Davidss1 posted: "UB defacing everywhere, as a born and raised bluenose I must say I hate this!"

@IainAllan3 said: "Well played in possibly delaying fans getting back to football. Legit beyond stupid doing things like this atm as while the cases rise incidents like this will be scrutinised and used as an example why fans aren't allowed back yet..."
And @Wallis819 commented: "This is a let down, immature folk, what are they trying to prove?"
Motherwell have acted swiftly and have painted over the graffiti outside the ground already.