Three more teenagers have been arrested over the attempted murder of a man in Paisley.
3 Players Out Of Scotland Squad
Rangers captain Lee Wallace is among three players to have pulled out of the Scotland squad.
Derby striker Chris Martin and Aston Villa right-back Alan Hutton have also withdrawn from the friendlies against Italy and France.
The Scottish Football Association announced the withdrawals on Twitter but gave no other details of why the players are out.
Wallace was one of several Rangers players to be attacked after his side's William Hill Scottish Cup defeat by Hibernian on Saturday when fans invaded the park.
Ibrox manager Mark Warburton had hinted he would withdraw Wallace and Barrie McKay if Rangers won the final and qualified for Europe.
Goalkeepers Allan McGregor and Scott Bain pulled out with back injuries last week, while Hull players Andy Robertson, Robert Snodgrass and Shaun Maloney, plus Sheffield Wednesday midfielder Barry Bannan, are unavailable for the Italy game in Malta on May 29 as they play in the Sky Bet Championship play-off final the previous day.
Swansea left-back Stephen Kingsley, Derby midfielder Craig Bryson and goalkeepers Scott Fox and Jack Hamilton were called up last week.
Police have said "shots'' heard in Glasgow were fired into tyres as part of an operation.
A boxer is in a critical condition in hospital after being stretchered from the ring.
A fourth man has been arrested over the hanging of effigies from the stands during the last Celtic-Rangers game.
Most Viewed Pictures On Heart
Recently Played Tracks
To listen live, choose your preferred location:
Deposit £10 to get a £40 Welcome Bonus - That's £50 to play bingo, slots and more!*
Over 50 tracks to make you feel-good. New album out now...
Find your local four day weather report here.
Make Heart the soundtrack to your day and you could be a winner with great prizes up for grabs throughout the day.
Find out more about some of the companies advertising on Heart Scotland- East.