It was learnt that four among the passengers, who departed Gombe, survived the crash with degrees of burns.
Officials of the Federal Road Safety Commission (FRSC) took them to Abaji General Hospital for treatment.
A witness, Kabiru Garba, said the accident involving an 18 seater Toyota Hiace bus with registration number GME 20 XA and a Daf trailer with registration number BAU 632 XA collided around near Yaba junction, along Abuja-Lokoja highway.
He said the 18 seater bus which was coming from Abuja-Gwagwalada axis on speed, when it hit the trailer from behind and went up in flames.
When contacted, the FCT sector commander of the Federal Road Safety Commission (FRSC), Mr Samuel Ogar Ochi, confirmed the accident.
He attributed the accident to speeding by the bus driver and poor visibility.
He said the agency would collaborate with security agencies and environmental officials to see how a mass burial will be carried out since the corpses were burnt beyond recognition.
Ochi, however, cautioned motorists especially night travellers against over speeding especially at the peak of harmatan dry season, which he said always resulted to poor weather and make visibility poor for motorist. (Daily Trust)