Hun Many, a ruling Cambodian People’s Party lawmaker, says he wants to succeed his father as prime minister.
The new filing requests the court to seek the arrest of the masterminds of the Oct. 26 assaults on Nhay Chamreoun and Kong Sophea.
He says that if they oppose development, they should live without power.
The clash comes a day after security forces dispersed striking workers with water cannons and arrested nearly 60 people.
Sam Rainsy, president of the opposition Cambodia National Rescue Party, discusses his participation in the 2018 general elections.
They say the artist never received permission to paint the portrait.
Villagers, who say they have lost farmland to Vietnam in the move, vow to protest and remove the poles.
His earlier charge of murder was downgraded to a manslaughter offense.
The new charge is the third issued against opposition leader in three weeks.
Cambodia's ruling party is seen as using all means at its disposal to undermine its opposition.