Seven members of staff at St Mirren have tested positive for Covid-19, while Rangers could be in trouble amid claims they breached testing protocols.

No St Mirren players are implicated, but the club has been locked down and a game with St Johnstone scrapped.

Furthermore, Scottish Premiership clubs must reintroduce twice-weekly testing for the first time since 8 July.

Rangers have also been asked to explain a delay in receiving results, along with Motherwell and Hibernian.

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Rules state players can't take part in matches unless a negative test has been returned.

That caused Hibs' friendly with Ross County to be cancelled at short notice on Saturday, while Rangers' meeting with Motherwell on Wednesday was delayed by two hours while they waited for results.

However, earlier that day a Rangers XI played Dundee United - leading to the Scottish FA writing to ask whether those players had up to date test results.

The governing body had already reminded clubs of the importance of adhering to the protocol, with the Premiership season scheduled to start on 1 August.

At this stage, there remains no suggestion that is in any doubt as the tests were carried out by St Mirren and sent to a private laboratory.

The seven who tested positive are all understood to be asymptomatic and have since undergone NHS monitoring.

If those further tests also find the virus, Scottish government 'track and trace' guidance would be implemented, with anyone who has come into close contact with those infected advised to go into quarantine for 14 days.

St Mirren, who are due to begin their competitive campaign at home to Livingston in little over a week, last played Hamilton Academical in a friendly on Saturday.

All Hamilton players and staff were tested two days after that, with no positive tests returned.

The club also confirmed that the area of FOYS Stadium used by St Mirren was segregated, then cleaned and disinfected afterwards.

Scottish football's coronavirus joint response group (JRG) informed the Scottish government of the tests before demanding clubs "revert to twice-weekly testing protocols until further notice."