Officials fear the number of victims will rise

Sit-in participants aim to share financial burden of leaders;
gas cylinders around tents present great risk .

Prof Javed Akram vows to resign if allegations proved true.

Activity has been scheduled for next month after year-long delay .

Participants term experience of lodging in and around state buildings most memorable .

Health ministry official claims ‘important’ meeting could not be held for a month due to sit-ins.

Additional secretary says hospitals well equipped to diagnose, treat disease.

Many say they have never had the freedom of movement they feel in Islamabad.

Stagnant water from recent rains may lead to spread of dengue .

Scores of policemen, vans, scaring off hikers; cops, van drivers just want to go home.