S.Korea conducts live-fire naval drills

South Korea's navy has conducted a live-fire exercise in waters off the country's eastern coast as Seoul continued its displays of military capability following North Korea's latest nuclear test.

Seoul's Defense Ministry said on Tuesday that warships including a 2,500-tonne frigate, a 1000-tonne patrol ship and 400-tonne guided-missile vessels participated in drills aimed at retaliating against potential North Korean provocations.

Seoul says more naval drills are planned from Wednesday to Saturday in the country's southern seas.

The South's army and air force on Monday conducted a joint drill involving F-15 fighter jets and land-based ballistic missiles that simulated an attack on North Korea's nuclear test site to "strongly warn" Pyongyang over its sixth and most powerful nuclear test to date.