Police filed two cases against around 300 leaders and activists of BNP, including its Khulna unit chief, in Khulna and Sylhet.
The cases were filed on Friday in connection with violence following Thursday's verdict that sentenced party Chairperson Khaleda Zia in Zia Orphanage Trust graft case.
The law enforcers mentioned allegations of violence and obstructing police from discharging their duties and vandalism in the cases.
In Sylhet, at least 197 leaders and activists of BNP were sued on charge of violence during a demonstration protesting imprisonment of party Chairperson Khaleda Zia in Zia Orphanage Trust graft case.
Sub-inspector Anup Chowdhury on Friday filed the case with Kotwali Model Police Station agasnt 197 people, naming 47 people, said Gausul Hossain, officer-in-charge of the police station.
Earlier on Thursday, a group of BNP men locked into clash with leaders-activists of Awami League and police when they faced obstruction to bring out a procession in the sylhet court area, leaving 10 people injured.
During the clash, several vehicles, including a pickup van of police were vandalised.
In Khulna, around 100 leaders and activists of BNP, including its city unit president Nazrul Islam Manju, were sued on charge of acts of sabotage.
However, some 11 people, including city BNP senior vice-president Saharuzzaman Mortaza, who were detained on Thursday, were shown arrested in the case.
UNB said, Sub-inspector Sujit Mistri of Sadar Police Station filed the case naming 28 BNP leaders, including its city unit president Nazrul Islam Manju on allegation of obstructing police from discharging their duties and vandalism, said Mizanur Rahman, officer-in-charge of the police station.
Besides, Khulna police in separate drives arrested 33 people, including five leaders and activists of BNP from different areas of the city between Thursday afternoon and Friday morning.
The arrestees were produced before the court and it sent them to jail, said Mizanur Rahman, OC of Sadar Police Station.