Comilla: Bangladesh Nationalist Party chairperson Khaleda Zia has been charged as instigator in two cases over a deadly arson attack on a bus in which seven people were killed on the spot.

The cases were filed by police on Tuesday night after the attack at about 3:30am on Tuesday, confirmed the Comilla police on Wednesday morning.

Fifty-six persons were named and upto 20 other anonymous people were charged of murdering and committing terrorist activities, confirmed the police.

Former Jamaat-e-Islami lawmaker Abu Mohammad Taher was named as prime accused in both of the cases.

Earlier, for instigating violence, Khaleda was indicted in two other cases filed with the Chauddagram police in Comilla and Jatrabari in capital.