Some families have fled the zone, or melded into more rural areas.
The U.N. and relief agencies have said the Tigers are using children in the safety zone as soldiers and laborers while preventing civilians from fleeing the zone, effectively using them as shields.
A farmer who lived within sight of the plant defied evacuation orders to search for his missing father, wife and older daughter, then reluctantly fled the zone to save his youngest girl from further exposure.
Indeed, the Consultancy for Human Rights and Displacement, a Colombian research group based in Bogota, reported that last year, some 3,900 people fled the zone because of threats and accusations of being informants of the armed forces or paramilitary groups and from systematic human rights violations.
The meltdowns forced over 100,000 people to flee the contaminated zone around the plant, while tens of thousands more have since left the Fukushima area voluntarily.
But Lysenko said Kiev's "anti-terrorist operation" in the east would not be stopped and that corridors already existed for civilians to flee the conflict zone.
Civilians trapped in the area have little food or potable water and only makeshift shelter, according to those who have managed to flee the combat zone.
Brigadier Nanayakkara said that 135 civilians had managed to flee the conflict zone on Wednesday, but that there were no further escapees to report on Thursday.
The report says there is evidence that Tamil rebels also committed war crimes and that they used civilians as human shields, shot dead those who tried to flee the war zone, and forcibly recruited teenagers to become fighters.
The government has resisted pressure by human rights groups, the United Nations, the United States and other nations for a pause in the fighting to allow more civilians to flee the war zone.
