It was gathered that kidnappers abducted the four persons, on Oct. 4.
The Spokesman of the Joint Task Force in the Niger Delta, Major Ibrahim Abdullah, on Wednesday said that they were freed following pressure from the troops in search of the kidnappers.
Also, Mr Peter Idabor, Director-General, National Oil Spills Detection and Response Agency (NOSDRA), whose employee was a victim, confirmed the release to the News Agency of Nigeria (NAN).
”The incident happened last week and the four people held hostage were freed yesterday. Our staff member who was among the victims has reunited with his family.
“He was abducted along with a staff member of Bayelsa Ministry of Environment and two Agip staff members. They were all released together,” Idabor said.
