Celtic will not be punished after the Scottish Premier League completed an investigation into unacceptable singing by a section of their support during a recent match against Hibernian.

The club were informed that the League was looking into a report from their match delegate following a report from Strathclyde Police on October 29.

The SPL has concluded that while some fans did sing pro-IRA songs, Celtic were taking measures to promote correct behaviour and discourage such chants.

A statement from the SPL read: “The report of the SPL Match Delegate included information from the Police Match Commander regarding Unacceptable Conduct amongst a small number of Celtic fans in that they chanted and sang in support of the IRA.

“It is not disputed that a small number of Celtic fans engaged in singing and chanting in support of the IRA. Such behaviour is unacceptable and unwelcome at SPL matches.”

However, the League commended Celtic’s stance on the issue, highlighting statements made by high-profile figures at Parkhead and accepting that all reasonable action had been taken.

“It is noted that Celtic FC has condemned such activity publicly on many occasions (most recently by Chief Executive, Peter Lawwell and by Head Coach, Neil Lennon),” the statement continued. “It is important that such public condemnation should continue.

“It has been established, through the above investigation, that Celtic FC took all reasonably practicable steps before, during and after the match (in consultation and conjunction with Strathclyde Police) to minimise the likelihood of Unacceptable Conduct occurring and, where it did occur, to assist in the identification and prosecution of offenders.

“The ongoing work amongst the club, supporters and police to ensure that any Unacceptable Conduct is eradicated from Celtic Park is noted and is welcomed.”

A separate UEFA investigation into claims of "illicit chanting" during Celtic's Europa League fixture with Rennes will be heard on Thursday, December 8.

IN DETAIL

• Offensive chanting and the SPL: the facts

An item on STV News at Six, broadcast on December 5, referred to an SPL investigation over "sectarian" singing. The SPL statement instead referred to "unacceptable conduct" by a small section of Celtic fans.