Indonesia has halted imports of scrap metal after tracing radioactive contamination found at an industrial site and in shrimp shipments to the U.S. to local metal processors. The suspension is effective immediately, Bara Krishna Hasibuan, an official with the government task force investigating the radiation findings, said in a text message Thursday. Environment Minister Hanif Faisol Nurofiq said the pause aims to ensure that the local steel-recycling industry meets radiation safety standards,