
Colonel Masoud Forouzan added that the incident was reported to police at 15:00 on Wednesday.
Investigations revealed that three were destroying ceiling of a shop when suddenly an object fell down and exploded due to a blow son of the shopkeeper dealt with it out of curiosity, he said.
He further noted that two 40-milimeter cartridge-shells were discovered in the site which may go back to early days of Revolution when the city was engaged in conflicts.
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