Among them were machine-guns, submachine-guns, a machine pistol and a pump-action shotgun.
The firearm used was a pump-action shotgun, a weapon banned in the UK for more than a decade.
A car pulled up alongside and the gunman fired three rounds from a pump-action shotgun.
Police said the symptoms suffered by bystanders were likely to have been caused by pepper spray used by officers to restrain the man, who had fired a shot from a handgun after spraying the substance from a pump-action bottle.
He raised his pump-action shotgun and fired - forcing her to dive back into the room.
This was a kind of pump-action bleach spray that was supposed to give your hair that much sought after sun-kissed look.
They're heavily armed, pump-action shot guns, handguns and cuffs.
A subway station in a suburb of Washington DC was closed after the armed man released the spray from a pump-action bottle as police arrested him.
To a 1-quart pump-action spray bottle, add 1 teaspoon each mild dishwashing liquid and cooking oil, then enough water to make 1 quart; shake to mix.