According to NCB officials privy to the ongoing probe, the drug law enforcement agency has arrested Agisilaos Demetriades, who is a South African national.from Top Movies News- News18.com https://www.news18.com/news/movies/sushant-singh-rajput-case-ncb-arrests-brother-of-arjun-rampals-girlfriend-gabriella-demetriades-2979848.html