South Korea finds another drone
Wreckage of three unmanned aerial vehicles found in three different places at the Agency for Defense Development in Daejeon, south of Seoul -- handout photo taken on April 11, 2014 - by South Korean Defence Ministry
The latest drone apparently crashed into a hill in the southern suburbs of Seoul where its wreckage was stumbled on by a passer-by, a defence ministry official said.
"An investigation team from a nearby military unit is at the site," the official told AFP.
It was not immediately clear when the drone may have crashed.
South Korea recovered three rudimentary UAVs in March and April in separate locations near its land and sea borders with the North.
The defence ministry said last week that a joint investigation with US experts had provided "smoking gun" proof that all three were flown from North Korea and had been pre-programmed to fly over South Korean military installations.
North Korea angrily denied any link with the drones, accusing the South of "fabricating" the evidence.
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