Censor.NET informs citing DW.
As reported, the bus was empty, but 16 passengers of a neighboring bus suffered from burns and smoke inhalation, two of them - seriously.
Obviously, there was an explosion and the bus caught fire which spread onto another bus, which was nearby, and a private car, AFP new agency reported quoting the police. The examination found that a bomb exploded in the back of the bus, the police announced later.
Photos - Reuters