Las Vegas shooting medical responseEmergency services set up a makeshift medical centre in the middle of the Las Vegas Strip.Reuters

The deadliest shooting in recent US history unfolded — as most do — in a storm of chaos and confusion.

Though the enormity of the situation emerged quickly Sunday night, details were still emerging of exactly what happened more than 48 hours later.

The police have confirmed that the gunman, 64-year-old Stephen Paddock, spent three days in Las Vegas before his attack and managed to amass a huge stockpile of guns.

By the time the general public knew a shooting was underway, Paddock was already dead. Here, moment by moment, is how the attack unfolded:

Note: This post has been updated after Las Vegas police released more details on the shooting, and a timeline of their own.