Authorities in the United Arab Emirates have detained two journalists working for Swiss broadcaster RTS while they were covering the opening of the new Louvre museum in Abu Dhabi, and held them for two days. Journalist Serge Enderlin and cameraman Jon Bjorgvinsson were held...when they were taking pictures at an open-air market in Abu Dhabi, according to the channel. They were accredited to cover the museum's opening and interview French architect Jean Nouvel, who designed the Louvre Abu Dhabi. UAE security forces detained the duo for more than 50 hours, without allowing them contact with the outside world, the channel said, adding that they were subjected to interrogations that sometimes lasted 10 hours straight...Abu Dhabi authorities wanted to know why they had taken pictures of the market and seemed irritated by the Swiss' portrayal of migrant workers, according to the channel. They also questioned them about their collaboration with NGO's and third states. "The electronic data on my phone has been violated," Enderlin said. The security forces made him give up the codes to his phone in the face of what he called "blackmail" after 25 hours of detention. They finally had to sign an [Arabic] confession to be released...