 Complete the following phrase:  Russian authorities released the detainees after investigations into whether they had broken any Russian laws. In 2005 he was once more detained in Russia under suspicion of organising terror acts in Tatarstan but released after two months, and immediately left to Middle East. In 2011 he published a video titled 39 ways of helping the jihad and taking part in it. In June 2016 he was arrested in Turkey for involvement in the 