A building explosion leaves six dead and dozens injured. A gas leak that may have been lingering is believed to be the cause, in new york city. Colorado reaping the benefits of legalizing pot. An impressive number of jobs have been added to the states workforce. A new theory this morning about what happened to Malaysia Airlines flight 370. Six days after the plane disappeared with 239 on board, theres no sight of it. Im stephanie sy, welcome to al jazeera america. A report suggests the plane may have flown for hours. It may be why its difficult to locate the missing jet. A dozen countries adjourned the search mission. A lot of new developments this morning. Good morning. As you can imagine, theres so much frustration and concern. Theres not been any idea what happened. It seems to have vanished. Now there are new reports that are already being discounted by government officials in malaysia raising the possibility of an intentional act coming after what is a sitting or what appeared to