New Delhi, April 27 -- Authorities in Tunisia have ordered a one-month suspension of the Tunisian League for Human Rights, one of the oldest rights groups in Africa and the Arab world and part of the National Dialogue Quartet awarded the 2015 Nobel Peace Prize, in the latest move raising concerns over a widening crackdown on civil society.

The league confirmed the suspension in a statement late Friday, warning that the decision amounted to "a serious and arbitrary violation of freedom of association" and "a direct assault" on one of Tunisia's key democratic gains.

President Kais Saied has often cited foreign funding, which rights groups sometimes rely on, as a threat to Tunisia, using it to fuel a populist narrative and accuse his polit...