RAWALPINDI  - Pakistan Army’s rescue work continued on 16th day to recover 135 people, mostly soldiers in the Siachen.Sources said the rescue teams, changing the operation strategy, started digging the whole glacier instead of six particular points after the recovery of some life jackets, pieces of Igloo and medicines on Saturday.The sources further said that despite weather had once again turned very cold due to overcast conditions and chilling winds, the teams kept on rescue activities in Gayari sector. “The rescue teams are hoping for some success soon in the operation,” the sources added.Over 500 rescue workers including military and civilians along with 25 heavy machines are employed on the search.Meanwhile, heavy slides of boulders fell down at Lalpari near Jaglote point as it blocked Karakuram Highway (KKH) on Saturday night and could not be cleared for the traffic even on Sunday.According to National Highway Authority (NHA) official sources, the machinery was being moved towards site to remove the boulders at blocked point but volume of boulders was immense and would take time for clearance.NHA officials said that KKH would be cleared for the traffic on Monday morning.Meanwhile, flights between Gilgit and Islamabad were not operated on Sunday due to inclement weather.