Video says they did it to spread awareness for Breast cancer ;).
Taliban destroy an ANA helicopter with IED planted beneath landing zone in Kunar province, Afghanistan
VIDEO: The Taliban destroy an ANA helicopter with IED planted beneath landing zone in Kunur province, #Afghanistan. pic.twitter.com/jKPcjBScVr— Conflict News (@Conflicts) April 15, 2016
Afghanistan's Kunar province is close to Pakistan border.
Pakistan Army uses Kunar province to sneak in Talib militants, weapons and ammunition as the snow melts in the mountain passes in Summer.
This happens when the road to and from Jalalabad is heavily guarded, so they take the longer northern route.
ANA Helicopter was possibly on resupply mission.