On 6 January 2007, at approximately 1:15pm (Local), in Suwagazi, Comilla District

Comilla District

The district of Comilla consists 4543 mosques, 379 temples, 98 churches, 34 Buddhist temples and six tombs.-Places of interest:Important landmarks include Kotbari, a cantonment, or military installation and Kandirpar, considered the heart of the Comilla district...

, Bangladesh

Bangladesh

Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...

, a bus

Bus

A bus is a road vehicle designed to carry passengers. Buses can have a capacity as high as 300 passengers. The most common type of bus is the single-decker bus, with larger loads carried by double-decker buses and articulated buses, and smaller loads carried by midibuses and minibuses; coaches are...

 carrying between 60 and 100 people on the Dhaka

Dhaka

Dhaka is the capital of Bangladesh and the principal city of Dhaka Division. Dhaka is a megacity and one of the major cities of South Asia. Located on the banks of the Buriganga River, Dhaka, along with its metropolitan area, had a population of over 15 million in 2010, making it the largest city...

-Chittagong

Chittagong

Chittagong ) is a city in southeastern Bangladesh and the capital of an eponymous district and division. Built on the banks of the Karnaphuli River, the city is home to Bangladesh's busiest seaport and has a population of over 4.5 million, making it the second largest city in the country.A trading...

highway ran off the road into a ditch and burst into flames which ignited the fuel tank, which then exploded.
It was reported that the bus was attempting to overtake another vehicle.

Over 40 people were killed, though some reports list it as many as 70.
Many of the dead were charred beyond recognition, and it is unknown if an accurate number of dead will ever be known.