But observers say it is highly unlikely that the ruling will be overturned by the pliant court.
The 158 MPs say his continued detention risks throwing the legitimacy of upcoming elections into question.
They say workers will suffer if they lose jobs in the garment and footwear industry, the backbone of the country’s economy.
Prime Minister Hun Sen’s government rescinds the passports of 56 CNRP lawmakers and senators.
Observers say the move is further evidence of the country’s slide into dictatorship.
'Don't think I don't know where you are hiding,' he tells opposition figures who refused to defect to his side.
He says the Cambodian Center for Human Rights was ‘created by foreigners’ to work against Cambodia.
Sweden ends new cooperation agreements, while the EU threatens to dump trade preferences.
In an open letter, they say the charges intimidate the media and restrict press freedom.
Prime Minister Hun Sen remains defiant in the face of global criticism.
An exiled deputy president says the party has no faith in Cambodia’s ‘damaged’ judiciary.
Exiled Cambodia opposition leader Sam Rainsy describes the increasingly dictatorial Hun Sen as "not a strongman" but a "weak and desperate man."
Observers say the decision signals the end of a fragile democracy in the Southeast Asian nation.
Troops are told to crack down on any protests against a decision to dissolve the CNRP.
Cambodian authorities meanwhile step up pressure on CNRP members to defect to the ruling party.
Watchdogs say the measure restricts freedom of speech and violates the constitution.
The prime minister says international standards cannot be brought to bear on his country.