Two Indian nationals were arrested by authorities in Chitral district of northwest Pakistan on Wednesday for visiting the region without valid documents.
Ayaz Ahmed, a resident of Mumbai, and Nasir Ahmed, hailing from Gujarat, were arrested by police in the main bazaar in Chitral.
District police chief Muhammad Jaffer Khan said the Indian nationals had visas to visit Buner district but had no legal documents or permission to visit the Chitral region of North West Frontier Province.
Police registered a case against the two men under the Foreigners Act.
Both Indians are now in the custody of intelligence agencies, officials said.
The Indians had come to Buner district to meet their relatives.
They travelled to Chitral from Buner, officials said.