Moscow plans to apply Syrian legal procedures while addressing former Daesh/ISIS terror group fighters’ return to their countries of origins, a Russian Foreign Ministry spokeswoman said Thursday.

Maria Zakharova characterized the issue as “one of the most difficult” on the agenda for Syrian settlement, during a wide-ranging news conference in Moscow.

“It is necessary to qualify their detention and arrest, identify them, and then see what legal procedures should be applied in this case,” she said.

Read more: Russia to apply Syrian law for Daesh/ISIS return