You walk into the shop, slam the doors behind you, and pull down the steel shutter.
Owner: What do you think you are doing?
You say nothing and move a cabnit from a far corner. You move it so that it is blocking the steel shutters.
You: Close all windows, and block them with anything you can. because if we don't then we are going to turn into one of them.
Owner: one of them?
You: yes, one of those things with blood dribbling from their mouths.
The owner and the young man take action and blco kall windows and doors as told.
Man: What now?