ISLAMABAD - PM  Yousuf Raza Gilani Saturday expressed shock over the loss of lives and trapping of soldiers of the Pakistan Army in a snow slide at Gayari Sector in Siachin.The PM, who is in constant contact with the authorities concerned regarding the rescue operation, said the incident in no way would undermine the high morale of soldiers and officers. He also asked the authorities to keep him abreast of the ongoing rescue operation. According to Inter Services Public Relations (ISPR), over 100 army personnel came under a snow slide early Saturday morning at Gayari Sector near Skardu.