Arsenal left-back Kieran Tierney has been forced to self-isolate for 14 days after coming into contact with Scotland midfielder Stuart Armstrong, who has tested positive for Covid-19.
As a result, Tierney will be forced out of Scotland's three upcoming matches, as well as Arsenal's Premier League encounter against Manchester City on October 17.
The Scottish FA confirmed on Wednesday that Armstrong had returned a positive test after originally testing negative upon arrival on Monday.
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The Southampton midfielder will self-isolate for 10 days while Tierney, Ryan Christie and two Scotland staff members will self-isolate for 14 days after being confirmed as close contacts with Armstrong.