Jakarta, Aug. 22 -- Indonesia is investigating suspected radioactive contamination involving Cesium-137, following reports from U.S. authorities that frozen shrimp exported from the Southeast Asian country may have been exposed to radioactive material.

During a visit to Cikande in Serang District, Banten, on Thursday, Environment Minister Hanif Faisol Nurofiq said an investigation led by Maritime Affairs and Fisheries Minister Sakti Wahyu Trenggono found that the shrimp processing facility in Cikande procures its shrimp from Lampung.

"The Minister of Maritime Affairs and Fisheries has visited the site and identified potential sources of Cesium-137. This is highly unusual," Nurofiq said.

"We will conduct a thorough investigation, as the...