Citizens resorted to indiscriminate aerial firing at several places of the heavily armed city to express their joy at the 67th Independence Day.
A police official of the central control office said one person was killed and 25 injured by stray bullets.
Firing was also reported in certain areas of the garrison city of Rawalpindi though there were no reports of anyone getting hurt.
The day dawned with special flag hoisting ceremonies in Islamabad and the four provincial capitals.
In his address on the occasion, Sharif promised to fix all problems and put Pakistan on the path to development.