KABUL, Afghanistan, Dhul Al-Qa'da 04, 1431, Oct 12, SPA -- NATO says two people have been killed and 10 others injured in an explosion aboard a coalition helicopter just after it landed in eastern Afghanistan. NATO says the helicopter, with about 26 people aboard, was already on the ground Tuesday when the blast occurred. The coalition says it's unclear what caused the explosion. The 10 wounded NATO service members were evacuated to a medical facility, the Associated Press reported. The landing site, which was not disclosed, has been secured by Afghan and coalition forces. --SPA 11:26 LOCAL TIME 08:26 GMT www.spa.gov.sa/825633