A check flight of the big spacecraft “Starship” developed by the American house improvement firm SpaceX was held on the launch facility in Texas, USA, after 10:30 pm on the twentieth Japan time, however about 10 minutes after the launch. Four minutes later, a big rocket carrying a spacecraft exploded.
This time there have been no individuals on the spacecraft in the course of the check flight.
SpaceX is at present investigating the precise trigger.
Source