Tribune News NetworkDohaA raid by the Ministry of Municipality and Environment has led to the discovery of an illegal operation being carried out of a house in a residential area in Al Wakra.The municipal authorities, while conducting checks to detect breaches of a ban on workers staying in areas reserved for families in Al Wakra, found that a residential facility was being used for manufacturing foodstuff illegally.The photos released by the ministry, and subsequently tweeted by Al Watan newspaper, show several industrial-grade grinders and cartons containing what appear to be packets of batter.