This news is from the USA. A rocket lifts off. It carries cargo into space. The rocket explodes. This happens when it is still close to the ground.
Some people watch the rocket. They see it explode. They film the incident. The rocket turns into a big fireball.
People investigate the incident.
Difficult words: lift off (get in the air), cargo (things which are carried and are for people to use), investigate (try to understand why something happened).
You can read the original story and watch the video in the Level 3 section.
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