South Korea says senior officials are to meet counterparts from North Korea at the Panmunjom truce village later this morning.
A deadline set by North Korea for its southern neighbours to take down loudspeakers broadcasting propaganda expires this morning.
North Korea had in the last few hours reiterated on its official news agency that it is ready for all-out war.
However, South Korean President Park Geun-Hye has ordered her commanders to be ready: