“This is brilliant. Thank you @marksandspencer,” a third said.
“One of the many reasons why I am a long standing customer of yours. You actually care and are not afraid to show it.”
Other supermarkets have offered similar words of comfort to customers visiting stores this week.
In a message shared on Instagram, Asda wrote: “Everyone has the right to feel safe.
“Please know that you can always take your time, wait inside to reach out to our colleagues should you be concerned for your safety.