Allegedly…
Somewhere in South Carolina, USA, a school bus was taking eight primary students to their school in the morning.
For an unknown reason, while the bus was turning, it crashed into the local shop at 7:45 in the morning. This shop was also used as a bus stop. Two students were standing there and waiting for the bus, when it hit the shop.
One of the students at the bus stop was hit by the bus. The other one was hit by a tree branch.
These two students, the driver and four students from the bus were taken to hospital. In total, 7 people were injured.
Nobody knows the reason of the crash. The police are looking into it and they are investigating why the bus crashed into the shop.
For an unknown reason – z neznámeho dôvodu
In total – celkom (spolu)
investigate /ɪnˈvestɪɡeɪt/ – vyšetrovať (prípad)
Sparrow's English Reader 