BNP Chairperson Khaleda Zia alleged that Prime Minister Sheikh Hasina had established a monarchic rule in the country.
She said a national consensus was now a must to overthrow the Awami League government.
The former premier also blamed the government and its law enforcement agencies for the recent killings of two foreigners and attacks on secular publishers.
“Monarchy has been established in Bangladesh and a lady Hitler is heading the monarchy. Everything is going on at her will,” she said at a gathering in London's Riverbank Park Hotel.
The BNP chief has been in London for nearly a month. She went there for medical check-up and to meet her exiled son Tarique Rahman, who is accused in a number of corruption cases back home.
The local unit of Awami League staged a demonstration against Khaleda Zia in London.
They branded Khaleda as the mastermind of killings and arson attacks in Bangladesh.
Claiming that there is no democracy in the country, Khaleda said Bangladesh’s law and order situation is the worst now.
“That is why incidents of such horrendous murders are taking place one after another and the BNP was blamed for all those incidents,” she said.
Alleging that the Awami League does politics of revenge, Khaleda called upon the ruling party to shun the practice.
Khaleda alleged that the Awami League government is responsible for the rise of militancy in the country.
“Hasina said if the BNP goes to power, militancy will raise its head, but see how militancy is pervading the entire society during Awami League’s tenure,” she said.
The BNP chief claimed that at least 1,200 people had been abducted and 1,012 killed in crossfire over the last seven and a half years.
She alleged that the government is plotting to split the BNP. “They have tried a lot but failed. It is not possible to split the BNP.”
Calling upon people from all sections of life, Khaleda said a national consensus should have to be formed to oust the Awami League from office.
“I have to go back to the country. I have to complete the unfinished works. They [family members] are barring me from going home now. But I have to go.”