For example the police standard weapon - the baton - can be used, but only if its use is "proportionate to the level of threat".
Police confirmed the weapon used was a shotgun that was legally registered to Mr Atherton as part of his shotgun certificate.
Two officers from West Yorkshire Police fired the XRep Tasers - a weapon still undergoing tests although police forces are permitted to use it.
Police again ordered him to drop his weapon, he again refused, and police shot and killed him.
Leslie Nielsen plays Frank Drebin, a middle-aged police lieutenant whose lethal weapon is utter obliviousness.
Under the program, people who surrendered a weapon to police would get tax breaks instead of cash.
He and another school official who entered the classroom are reported by US media to have warned the suspect that there would be no shooting in his class - at which point the gunman put down his weapon and police officers arrested him.
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What if he had reached for his cell phone and police thought it was a weapon?
There, he encountered one of his roommates, who told police that Seevakumaran pointed a weapon at him.
Police are hunting for the weapon used to kill Jay Whiston, of Clacton, at a party in Colchester on 8 September.
Investigators said Hall refused to drop the weapon, despite police orders to relinquish the knife and came within a few feet of the officers.
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The attorney general said a search of Spyropoulos' home turned up two semi-automatic handguns, a shotgun and a rifle that police described as an assault weapon.
Initial police accounts said that Madison reached for his waistband and turned on police, but Gaston said Madison did not appear to have a weapon and that he was running away from police "hands out, full speed" when he was shot.
Before Brown fired, police told him to drop his weapon, Walters said.
Roberts then calmly got on the phone himself, giving the apartment's address and informing police that the "only" weapon -- a knife -- was outside with his ex-wife, Candice Roberts.
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Police ordered the man to drop his weapon, but he refused, so the officers shot him, Wilson said.
Police expressed confidence they would find the weapon, believed to be a handgun.
Irish police said he did not produce his weapon before he was shot.
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While the weapon is clearly old, police say it was capable of being fired and therefore capable of causing death.
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The murder charge is accompanied by two "special circumstances, " including killing a police officer on duty and firing a weapon from a vehicle.
After a brief chase, Maynard was shot by a sheriff's deputy in Delbarton, West Virginia, after he wrecked the vehicle he was driving and raised his weapon, West Virginia State Police Capt.
State Police said information about the make of the weapon wasn't yet available.
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The Police Service of Northern Ireland began using the weapon in August 2008.
Police say they are still looking for the weapon used during the attack, using a robot to search a nearby estuary.
Andy and Tracey Ferrie were arrested on Sunday at their farm in Welby, Leicestershire, after telling police they had fired the legally-held weapon.
"Those who might consider carrying such a weapon should be aware that local police will carry out searches and that you stand a strong chance of getting caught, " he said.
Police never found the handle of the murder weapon, but they believe that if the handle had been found, the grip would have shown that the club belonged to Skakel's mother.
Mr Bircham was also charged with assaulting a police officer and Mr Kerbin with having an offensive weapon.
Rule, whose real name is Jeff Atkins, was stopped for speeding when a weapon was discovered in his car, police said.
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