Rangers have revealed the SPFL are investigating the use of smoke bombs by fans at their opening William Hill Premiership game of the season at Motherwell.

The Ibrox club were this week fined 20,000 euros by UEFA for supporters’ pyro use before the Champions League qualifying game against Club Brugge in Belgium last month.

The Govan club released a statement on Friday afternoon recapping supporters’ recent indiscretions, acknowledging the threat of further action due to the behaviour of travelling fans at Fir Park, while stating that the club is “reviewing our next steps internally”.The statement read: “Rangers FC acknowledges the outcome of the UEFA disciplinary case following last month’s away match against Club Brugge.The club has been fined €20,000 for the use of pyrotechnics before kick-off. UEFA has also imposed a suspended one-match ban on away ticket sales in European competition which will be triggered if a similar incident occurs within the next two years.