Three South Korean soldiers were injured by an explosion on Monday while clearing a patrol route in the western sector of the DMZ, a heavily fortified area bordering North Korea. The investigative team ‌of ⁠about 40 officials searched an area ⁠near the site where the blast happened on September 21, says South Korea’s Joint Chiefs of ​Staff Key points and original sources are listed below.

• Three South Korean soldiers were injured by an explosion on Monday while clearing a patrol route in the western sector of the DMZ, a heavily fortified area bordering North Korea.S1

• The investigative team ‌of ⁠about 40 officials searched an area ⁠near the site where the blast happened on September 21, says South Korea’s Joint Chiefs of ​StaffS2

• SEOUL, Sept 27 (Reuters) - South Korea's military and the United Nations Command launched a joint investigation into a landmine explosion near the Demilitarised Zone (DMZ) separating the two Koreas,S3