>> who knoou. >> who knoou. amazing stories, thank you for amazing stories, thank you for coming.chknow." "techknow." >> dive deep into these stories >> dive deep into these stories and go behind the scenes at and go behind the scenes at aljazeera.com/techno. aljazeera.com/techno. check... san francisco about noon. >> south africans held cannedle lit vij ills, >> u.s. defense secretary chuck hagel got encouraging news after arriving in afghanistan. the security agreement between the two countries will be sd

>> who knoou. amazing stories, thank you for coming.know." >> dive deep into these stories and go behind the scenes at aljazeera.com/techno. >> this is al jazeera america, live from new york city. i'm tony harris. looking at some of the stories making news. the metro train accident, authorities are looking into what left four people dead and dozens injured. a news conference is scheduled for 4:00 p.m. this afternoon. >>> amazon.com president jeff bezos, indicated that the retails joint has developed a delivery method of drones, commercial use of drones is years aaway and is currently awaiting faa approval. >>> the o

>> who knoou. amazing stories, thank you for coming.know." >> dive deep into these stories and go behind the scenes at aljazeera.com/techno. >> investigators are trying to determine if speed played a role in a deadly train crash in new york city. four people were killed and dozens injured when the train went off the rails on a sharp curve. >> thousands of demonstrators are camped out in key ive a day after demonstrations took a terrible turn. >> the white house says healthcare.gov is running smoothly. now it faces a new test - a rush to sign up before this month's li

>> who knoou. amazing stories, thank you for coming.know." >> dive deep into these stories and go behind the scenes at aljazeera.com/techno. soviet unn >>> welcome to al jazeera america. i'm jonathan betz in new york. investigators ascertaining for what went wrong after a deadly train derailment in new york. the first in decades. >> we lost four new yorkers this morning. we have 11 critically injured who are still in the hospitals, and i would ask all new yorkers to remember them in your prayers tonight. >> ukraine has seen a large protest as the orange revolution nine years ago. >> and the leader of protests in thailand is calling for

>> who knoou. amazing stories, thank you for coming.know." >> dive deep into these stories and go behind the scenes at aljazeera.com/techno. >> this is al jazeera america live from new york city. i'm tony harris with a look at today's top stories. updating our breaking news from florida. a student was shot at a west orange high school out of orlando. local media are reporting that police are still searching for the gunman. a school sport spokesperson sait the student was taken to the hospital and is in criminal condition. we'll bring you more information information. >>> a mixture of calm and anguish as sandy hook dispatchers tell

>> who knoou. amazing stories, thank you for coming.know." >> dive deep into these stories and go behind the scenes at aljazeera.com/techno. ... >>> hello, welcome to al jazeera america. i am jonathan betz in new york. >> we are going fast and as it hit the curve, it was flying. moments of panic on a new york train as investigators tried to figure out what went wrong. >>> anger growing in ukraine. the largest protest in that country in nearly a decade. >>> demands that thailand's prime minister must go violent in bangkok streets and calls for a national strike. >>> tonight, crews are