The Patna-Kota Express train derailed near the Dariyaband area here yesterday but no one was injured, police said today.
A probe has, however, been ordered in the matter, officials said.
According to preliminary details, the engine of the train derailed because of a Sheesham tree that had fallen on the tracks, they said.
The tree might have been uprooted by strong winds, police said.
The driver of the train applied emergency brakes when he saw the tree on the track due to which some passengers fell off their seats and there was panic, they said.
No one was injured in the incident, they added.
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