ISTANBUL South Korea's acting President Han Duck-soo has called on the military to be ready to counter alleged threats from North Korea, while Pyongyang on Tuesday slammed last week's joint naval drills by South Korea, Japan, and the US. While chairing an emergency National Security Council meeting late Monday, Han urged the military to maintain “thorough readiness" against alleged military threats from North Korea, according to the Seoul-based Yonhap News. “While closely cooperating with