The Jammu and Kashmir State Investigation Agency has filed a fourth supplementary charge sheet against six accused, including three Pakistan-based Hizbul Mujahideen militants, in a case relating to terror funding, an official said on Friday.

Newswire PTI reported that with the filing of the fresh charge sheet in a special court in Jammu, the number of accused in the case has gone up to 18. The accused includes policeman Saif Din who was arrested in December last year.