UPDATE SHREYA DHITAL IMPROVES PERSONAL RECORD AT OLYMICS Kathmandu, 1 Aug.: Shreya Dhital broke a personal and national record in the 100 meters freestyle swimming in the ongoing London Olympics Wednesday. She timed 1 minute and 10.80 seconds though and was placed 47th out of 50 competitors in the heats. The national record was in the event was 1 minute and 10.82 seconds. nnnn