Hundreds of medical students and senior doctors staged a sit-in in front of Prime Minister Sushil Koirala’s official residence in Baluwatar urging him to address the demands of Dr. Govinda KC as the soonest. The veteran orthopedic surgeon has been staging a fast-unto-death in the Maharajgunj-based Tribhuvan University Teaching Hospital for the past nine days demanding implementation of the past agreements signed with him.