PORTLAND, Oregon (Reuters) - An Oregon man hurled both of his prosthetic legs at a state trooper, striking him with one, after his son was arrested on suspicion of drunken driving, police said on Monday.

The incident on Friday began when the trooper stopped a sport utility vehicle going the wrong way on a highway in southern Oregon.

The trooper at first detained only the driver, Adam Kackstetter, 26, after he became aggressive. But then his father, Joel Kackstetter, 53, a passenger in the vehicle, grew hostile, a police spokesman said.

The senior Kackstetter charged at the arresting officer several times before the trooper knocked him to the ground, according to the police report.

"Passenger removed a prosthetic leg and threw it at trooper, hitting trooper in chest. Passenger removed second leg, threw it at trooper but missed," the report said.

The father and son face multiple charges including assault on a public safety officer.

"It got to be quite a dangerous situation. I think the officer used a lot of discretion and restraint in the amount of force that he used in this situation," said Ed Caleb, Klamath County district attorney.

A lawyer for the Kackstetters could not be immediately reached for comment.

Maybe John B. should add this to his deadly weapon thread ...

You got to know when to walk away, and know when to run...

Heard the father was also armed!

Maybe pops thought he was the Black Knight from "Monty Python and the Holy Grail" ...

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Great minds think alike, Shannon. I was gonna post "It's only a flesh wound". BTW, for any Monty Python fans, I saw a shirt with that pic and statement on it at a Target store in Austin off 183 near 35 recently in the men's department.