SION, Switzerland: Jacques Moretti, co-owner of the Swiss bar which went up in flames during New Year celebrations, was being held in custody after being interviewed by prosecutors on Friday, a source. Moretti and his wife Jessica, who co-own Le Constellation bar in the ski-resort of Crans-Montana, were interviewed by prosecutors in the Switzerland´s southwestern Wallis canton, as the country held a national day of mourning for the 40 people killed in last week´s disaster.