India, May 17 -- American national is being investigated in a 'cross-border insurgency' case.

Gia Santos, the partner of American citizen Matthew Christopher VanDyke, who is being investigated by India's National Investigation Agency in an alleged cross-border insurgency and drone warfare case, has alleged that his health is deteriorating in custody and claimed that he has been on a hunger strike since 6th May.

In an interview with The Sunday Guardian, Santos, who is a freelance journalist, strongly denied the allegations against VanDyke, who has been accused by investigators of bringing drones and drone-related equipment into India, entering prohibited areas in the northeast and establishing contact with Myanmar-based armed groups oper...