Primark in Glasgow's Braehead shopping centre is set to stay open for a 36-hour period in the run up to Christmas to help festive shoppers.The high street giant was forced to close for three weeks in areas under Scotland's level 4 due to lockdown restrictions on non-essential stores.Primark is gearing up re-open all stores in Scotland on Friday, December 11 with extended opening hours in a bid to ease high customer demand during the Christmas shopping season.Primark Braehead will be the only store to trade overnight for a 36-hour period - and will open at 9am on December 11 and stay open right through until 9pm on 12 December.All other stores across Scotland will trade until at least 8pm on weekdays until December 23.Safety continues to be.