Rakhmat Akilov, a 39-year-old Uzbekistani asylum seeker, faces a life sentence if convicted.
After undergoing training in Syria, Mirlanbek Turdiyev received orders to attack a warship in Vladivostok, but was arrested in Ukraine en route to the target.
Kyrgyzstan needs to modernise its Islamic education system and undertake other initiatives to protect the nation against radicalism, say analysts.
Hundreds of Kazakhstani children are living in refugee camps in Syria after their parents were killed fighting for 'Islamic State' (IS).
The defeat of IS in Iraq and Syria will bring an end to the group in Afghanistan, Pakistan and Central Asia -- where security forces are ready to deal with any new challenges, analysts say.
Co-operation between Central Asian states, as exhibited by the US and Russia in the St. Petersburg case, will help the region foil future terrorist attacks, say observers.
The Centre for Analysis and Development of Interfaith Relations in Pavlodar Province has launched several initiatives to help vulnerable individuals resist extremism.
The suspects, two men and two women, were detained in a counter-terrorism operation in Tashkent, according to police.
The order for the New Year's Day attack on the Reina nightclub came from a senior Russian Syria-based IS extremist named Islam Atabiyev, codenamed Abu Jihad, Turkish authorities say.
Kazakhstan participated in the 'Friendship 2017' international counter-terrorism exercises in Pakistan that ended this week.