South Korea military base explosion
Most of the injured soldiers are said to be in their 20s Kim Hong-Ji/Reuters file photo

Twenty three soldiers were reportedly injured in an explosion at a military base in Ulsan in South Korea. The cause of the blast is yet to be ascertained as no training activities were underway at the time of the incident.

The blast occurred at a training camp for reservists in the southeastern city of Ulsan, located about 400kms from capital Seoul. Most of the injured soldiers were in their 20s, reports the Yonhap news agency.

No deaths were reported, but some of the wounded personnel suffered major burns. The blast occurred at about 11.50am local time (2.50am GMT).

Police and emergency personnel are already at the spot to investigate the cause of the explosion.

More to follow...