Imphal, May 16 - Three Myanmar nationals were arrested on Wednesday in the border town of Moreh in Tengnoupal district of Manipur, police said.
A woman alleged to be a drug-peddler was also arrested from the district, police added.
Tengnoupal Superintendent of Police S. Ibocha said that preliminary questioning of the Myanmar nationals revealed they entered India through international border in Mizoram.
Indian and Myanmarese currencies were recovered from them, though they failed to show any travel documents.
Chief minister N. Biren Singh said a special police check-post was set up at the Imphal international airport on Wednesday in view of the attempts by the Rohingyas to enter India.