While Tatmadaw columns were conducting an area clearance operation within Mongko in north-east Shan State, they unearthed four 60mm unexploded bombs and an air bomb on 13 December.
Out of the unexploded 60mm bombs, one bomb was unearthed in Ward 3 and the remaining three were in Ward 5. These bombs, systematically deactivated by bomb clearance members of the Garrison Engineering Corps.