Five people have been charged in connection with an anti-nuclear protest outside a Rolls-Royce plant in Derby.
The protest lasted about six hours
Three men and a woman have been charged with obstructing the highway and one woman has been charged with failing to stop the vehicle she was driving.
Derbyshire Police made 10 arrests during a demonstration on Monday.
About 40 people took part in the protest opposing the production of engine parts for Britain's Trident nuclear submarine programme.
The five were bailed to appear before magistrates in November.
Two other women were cautioned for wilful obstruction, while a man and two women arrested on suspicion of possessing an article with intent to damage property were released without charge.
Police and council officials used public order laws to restrict the demonstration.