It was not immediately clear what had caused the fire but the city had been filled with fireworks for the annual festival.
虽然目前还不清楚火灾发生的原因，不过毫无疑问的是全市的居民当时都在放烟火庆祝春节。
3
Security forces flooded the streets to ensure that a traditional firefestival, which Iranians celebrate by jumping over bonfires and letting off crackers, would not be co-opted by the opposition.