Air blast radius (red - 20psi): The most intense air blast would have a radius of 4.75km and demolish heavily-built concrete buildings in Penarth, Ely and Llanedeyrn.
Heavily-built Salvador had also smashed his way through garden fences and broken into a neighbour's house before he was finally arrested during a violent struggle with police in which he was Tasered six times.
Over the years I've always admired the stout, heavily-built synthetic cases most manufacturers use to transport display guns to trade shows, writer-events and sales calls.