A blast ripped through a bus in Potiskum, northeast Nigeria, on Tuesday, witnesses said, in the latest explosion to hit the troubled region.
The explosion happened at the Tashar Dan-Borno motor park, on the outskirts of the city but there was no immediate indication of casualties.
"The bus had just loaded with passengers on its way to Kano when a huge explosion happened inside the bus at exactly 11:40 am (1000 GMT)," said a driver's union official at the bus station.
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