A BBC News report:
Arsala Rahmani was a former Taliban minister and a key member of Afghanistan's High Peace Council, which leads Afghan efforts to negotiate a peace deal with the Taliban.....Mr Rahmani was responsible for the committee within the peace council that considers the release of Taliban prisoners from Bagram and other Afghan prisons....The Taliban have denied involvement in the killing of Mr Rahmani.
Link:http://www.bbc.co.uk/news/world-asia-18049265