NIA looking into whether Ukrainians, U.S. national were involved in UAPA offences: sources
In the charge sheet filed against the accused on Tuesday, NIA had not invoked Unlawful Activities (Prevention) Act (UAPA); however, sources say probe is on to determine whether they were engaged in activities prejudicial to India’s security
We haven't written up this one. The Hindu has the full story — the link below goes straight to it.