A Papua New Guinea police commander near the border in West Sepik, says the provincial authorities have to help rebuild the police jail at Aitape.
Late last month the jail was condemned and shut down, forcing police to move 21 remand prisoners to the police station jail in Vanimo.
Assistant Commissioner Donald Yamasombi said the only access is by banana boat, for which police have little funding.
He said the journey takes two hours which puts the prisoners in danger and he has put out a call for the district authorities to assist.
Mr Yamasombi also said there has been a recent influx of Indonesians illegally entering the country with three adults and one youth caught by the Defence Force last month, charged, convicted and sentenced to hard labour.
But he said police don't have the capability to properly monitor the border and also need district authorities' help with this matter.