Activists say police broke laws to thwart their participation.
The groups had warned workers are selling their land, eating less, and taking on more debt to repay loans.
Factory owners hurt by financial losses amid coronavirus fears close their plants, leaving workers without money for rent or living expenses.
Reporters Without Borders says Hun Sen’s government is in a ‘headlong rush to gag dissenting voices.’
The mostly women workers say they’ve struggled to pay for food and rent for more than three months.
They say the authorities are complicit in rampant logging and encroachment.
But critics say the funds are insufficient and help should have come months ago.
But unions say the sector is rebounding and that workers are struggling financially.
But the 35-year ruler says he won’t be ready to relinquish power for at least another decade.
At least 16 have been detained on what are seen as politically motivated charges since January.
Critics say the trucks will be used against civilians in a government crackdown.
Human Rights Watch says Hun Sen is using the outbreak as a pretext to target his political rivals.
The government had initially refused to assist in the return of the unemployed workers and students.
The groups say all parties should return to the negotiating table for the good of the country.
The announcement comes a week after environmental activists were blocked by authorities from campaigning for the island's protection.
They say the people are entitled to boycott payments because the government has failed to provide relief.
Sanctions loom as the key garment sector is pummeled by the one-two punch of coronavirus and flagging sales.
The probe follows an earlier claim by Phnom Penh that reports of his abduction were ‘fake news.’