GUJRANWALA- One died and about 20 got unconscious after a gas cylinder exploded in an ice factory at Gujranwala. Workers were busy at ice factory located at Ferozwala road when ammonia gas cylinder exploded. Resultantly, Usman son of factory owner died and about 20 injured persons including Zahid, Qamer,, Kalsoom, Noor Muhammad, Pakeza, Saira, Ehsan etc got unconscious and were shifted to DHQ Hospital.