During the gun battle police shot tear gas canisters into the building in an effort to drive Dorner out.

BBC: Christopher Dorner: LA police end hunt after body found

The situation was especially dire in storm-torn parts of New Jersey and New York, where yesterday a man in Queens pulled a gun while in a line for gas.

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I'm aware of four now, there is water canon, there is CS gas or the like, there is the stun gun or its variant and there is rubber bullet.

BBC: News | BREAKFAST WITH FROST | Liberal Democrat Home Affairs spokesman Simon Hughes

Last weekend, Subash Gurung, 27, who said he was from Nepal, managed to pass through a security checkpoint at O'Hare with seven knives, a stun gun and a box labeled "tear gas" in his carry-on luggage.

CNN: Airport security firm adopts 'zero tolerance'

With states like Connecticut and Colorado passing strict new restrictions on gun owners and the President flying around the country to drum up support for national gun control, ammo buyers are like consumers queuing for gas or loading up on gold in the inflationary 1970s.

FORBES: The Bullet Bubble: Is Ammo The Next Bitcoin, Or Gold In The 1970s?