The SpaceX Falcon 9 rocket, which was carrying supplies for the International Space Station launched at 10:21am from Cape Canaveral Air Force Station in Florida. Just after 2 minutes into the flight, the rocket blew and disintegrated.
Link to Video
Falcon 9 experienced a problem shortly before first stage shutdown. Will provide more info as soon as we review the data.— Elon Musk (@elonmusk) June 28, 2015
No other details were given other than the launch is going to be investigated.