Ransom demanded for two UTair staff seized in ambush on UN contract work.
Police save the child from clutches of man, 40, with another version that she was to be 'sold for human organs' on black market.
Tomsk honours the memory of the child and police hunt the vicious killer.
Criminal cases launched against pair recruited to Syrian terror groups affiliated to Islamic State.
Thousands of volunteers had joined search for three year old girl in Tomsk.
As police say lama found in lotus positon was destined for sale on black market, there are claims it was one step away from becoming a Buddha.
Officials probe report of militant trying to recruit young Russians to the cause in Syria at city university over 18 month period.
Radicals planned attack in Pyt-Yakh in Khanty-Mansi region two years ago.