Scotland causing speculation over the impact of Brexit, Covid-19 case and the 'pingdemic'. One shopper visited a Tesco in Glasgow and saw empty shelves for the first time since last year and said: "This is giving me start of pandemic flashbacks." Tesco, Sainsbury’s, Morrisons, Co-Op and Lidl are just some of the stores that have responded to the complaints from customers, with essential items missing from the weekly shop.