In Mexico, six were killed and twenty others were injured in an explosion in Princess Riviera Mayo hotel in the resort city of Cancun yesterday. Quintana Roo's prosecutor Francisco Alor Quezada said during a press conference that the authority think the explosion was due to gas accumulation in the pipe lines of the hotel's central kitchen, but they will continue investigating the incident. He said that an Italian and three people who worked in the hotel were dead. He said some foreigners are also injured in the incident. Cancun will host the United Nations Conference of the Parties on Climate Change at the end of November.