KATHMANDU: Prime Minister Sushil Koirala today expressed deep sorrow over the sudden death of Chandra Bahadur Dangi, the world’s shortest person. Dangi, 75, died while undergoing treatment for an undisclosed disease at Lyndon B Johnson Tropical Medical Centre in Pago Pago of American Samoa on Friday. Dangi was also the shortest adult in recorded history after the Guinness Book of World Records measured his height at 54.6 cm in February 2012.