At least one pair of newcomers said they left India out of fear of being deported to Myanmar.
Two others have been charged under the Unlawful Associations Act for alleged contact with Arakan Army forces.
Observers say that the decision shows that the judiciary lacks independence from the government.
Dhaka slams Myanmar for saying that Rohingya and Arakan rebel groups are operating in Bangladesh.
Prominent Rakhine residents and ordinary citizens in the western state are riled up over statements about the Arakan Army.
Fruit dealers rely on the Muse-Ruili passage to export their produce to China’s Yunnan province.
The ethnic army also objects to a government spokesman’s warning for supporters not to back the organization.
Rakhine politicians, however, call on the central government to heed local concerns in the strife-torn region.
The attacks by the Arakan Army on the country's Independence Day are the latest act of violence to hit the restive state.
KNU criticism comes as fighting involving different ethnic armies displaces hundreds in remote corners of the country.
The group is the second small batch of Rohingya Muslims expelled by India since October 2018.
The Arakan Army denies it carried out a failed mine attack on the Rakhine chief minister’s convoy.
A Catholic priest in the Southeast Asian country cites a ‘lack of knowledge’ about handling the issue.
China is acting out of self-interest in the name of the country’s Belt and Road Initiative, one party chairman says.
The move comes after the armed forces said it will take legal action against news outlets that fail to confirm information.
They say that chemical waste from the operations has polluted water resources, killed livestock, and damaged farmland.
They say government soldiers are questioning residents accused of supporting the rebel Arakan Army.