The country is doing a comprehensive check on how ready the intelligence services and police are for possible terrorist attacks.
A family that went to Syria years ago probably died there, villagers who knew them are saying.
Law enforcement has held about 8,000 anti-extremism outreach events this year.
Iran has shown no theological purity as it routinely supports, trains and funds terrorist groups such as the Taliban and al-Qaeda.
Students, teachers, health workers and state and NGO officials joined an anti-extremism demonstration in Osh .
Authorities are stepping up counter-measures in response to youth radicalisation and a summer's worth of bloody terrorist attacks.
Authorities are working to defuse radicalism's appeal.
Authorities in Talas Province are stepping up preventive measures against extremism.
OIC member-states' foreign ministers assembled in Tashkent to convey their loathing of terrorism.
The list will identify Uzbek citizens, having ties with terrorist organisations, officials say.