Grenade explosion in S. Korea leaves 1 into cardiac arrest

SEOUL -- A grenade explosion during the army training in South Korea left one person in cardiac arrest and another hospitalized, Yonhap news agency said Tuesday.

The grenade exploded for an unidentified reason during the training at the army's 32nd infantry division in Sejong, about 110 km south of the capital Seoul, at about 10:00 am local time (0100 GMT).

The two victims were transported to a hospital after the incident.