Mobile phone retailer Cellucom has closed all of its stores in the UAE and is facing liquidation, the National has reported. Arun Nagar, the company's chief executive, and his brother, Ajay Nagar, are both no longer in the UAE, according to the report. 'Having reviewed Cellucom's business and financial affairs, Al Rostamani Group concluded that the Cellucom companies could no longer sustain themselves as going concerns,' the paper quoted a statement as saying.