The workers were standing atop roof listening to the speech of PTI chief Imran Khan when it collapsed. Luckily no casualty was reported.
At least 25 persons were present at rooftop when it suffered a tragedy. The mosque was said to be in a bit of dilapidated condition.
Locals immediately rushed to the spot and started removing rubble to pull out the trapped persons.
Those receiving injuries in the incident were taken to nearby hospital.