Turkish President Recep Tayyip Erdoğan on Monday spoke to Jordan’s King Abdullah II over the phone, according to the information gained from the presidential sources.

“Turkey-Jordan relations and regional issues were discussed during the call,” it said in a statement on Twitter.

Jordan‘s former Crown Prince Hamzah bin Al-Hussein and Bassem Ibrahim Awadallah, a former head of the Jordanian Royal Court, are among some 20 people recently detained on the grounds that they “pose a threat to Jordan’s stability.”