The group of Nigerian insurgents "" declared movement for release of the delta of Niger release of four hostages among whom one citizen of Ukraine, gives RIA Novosti news agency with reference to Reuters agency.
At the same time, the separatist group continues to hold in hostages of two British.
"We will hold the remained two British hostages while Gordon Brown's government won't stop offering Nigerian armed forces the help in training and supply", - is spoken in the statement of separatists.
Among four released hostages, besides one Ukrainian, three citizens of Nigeria. All of them were captured during attack of fighters on September 9 on one of objects of oil industry in the delta of Niger rich with hydrocarbons.
Officials in Nigeria yet don't confirm release of hostages, investigation is made.