Fresh street clashes have broken out in Bangladesh amid a row over who will run the country pending elections.
At least four people have died in fresh clashes in Bangladesh, amid a row over who will run a caretaker government.
Riot police used teargas to break up thousands of stone-throwing protesters in the capital, Dhaka.
Hundreds of people were injured as police fired teargas to disperse opposition demonstrators in Dhaka.
On Friday - when Prime Minister Khaleda Zia's term expired - up to six people were killed and many injured in unrest sparked by her choice of interim PM.
Several people were killed in nationwide riots on Friday - when Prime Minister Khaleda Zia's term ended.
The swearing-in of the new cabinet, charged with organising elections, was due on Saturday but has been delayed.
EX-Chief Justice KM Hasan should have been sworn in on Saturday as interim prime minister pending elections, but officials said he was too ill.
It was cancelled because KM Hasan, the man due to head the government, was ill, a presidential spokesman said.
The swearing-in of the caretaker cabinet was cancelled amid controversy over his appointment.
The opposition says Mr Hasan, a retired chief justice, supports the ruling Bangladesh National Party (BNP) and cannot be trusted to run the interim administration tasked with organising the polls.
The opposition Awami League had already made clear it would not accept Mr Hasan - whom it described as supporter of the governing Bangladesh National Party and a stooge of the government.
We will bring the country to a state of collapse Opposition MP Mirza Azam
We will bring the country to a state of collapse Opposition MP Mirza Azam Bangladesh's figurehead President Iazuddin Ahmed held talks with representatives from both sides on Saturday.
The opposition Awami League has threatened to paralyse the country if Mr Hasan takes office, with demonstrations and blockades of roads, railways and the country's main port.
They agreed to try to find a compromise candidate for interim prime minister by late Sunday.
Opposition MP Mirza Azam told supporters: "KM Hasan takes the responsibility as the chief of a caretaker government, right from that moment we will bring the country to a state of collapse."
Bombs
Bombs
At least nine people have been killed in clashes on Friday and Saturday. Hundreds have been wounded.
The opposition Awami League and its allies have threatened to paralyse the country if Mr Hasan takes office. Police have responded with teargas and rubber bullets.
Saturday's unrest included explosions and gunfire in the capital Dhaka. The latest deaths bring to at least nine the number of people killed since Friday.
Khaleda Zia said the transfer of power will go ahead
Khaleda Zia said the transfer of power will go ahead
Roads have been blocked and outbreaks of violence have been reported in other parts of the country.
Opposition MP Mirza Azam told supporters on Friday: "KM Hasan takes the responsibility as the chief of a caretaker government, right from that moment we will bring the country to a state of collapse."
Under Bangladesh's unique system, when an administration comes to the end of its term, it hands over to an unelected interim government which has 90 days to organise elections.
Under Bangladesh's unique system, when an administration comes to the end of its term, it hands over to an unelected interim government which has 90 days to organise elections.
But the opposition is demanding a say in who will be "chief adviser", as the head of the caretaker government is known.
The opposition has been demanding a say in choosing the "chief adviser", as the interim prime minister is known.
Bangladesh's constitution gives President Iazuddin Ahmed another 15 days to form the interim government.
Mrs Zia's mandate expired at midnight on Friday. She appealed for calm as the fresh wave of violence hit the country.
Mrs Zia's mandate expired at midnight on Friday. She appealed for calm as a new wave of violence hit towns and cities across the country.
She promised the poll would be free and fair, and said the constitution would "safeguard a peace-loving and responsible nation".
She promised the poll would be free and fair, and said the constitution would "safeguard a peace-loving and responsible nation".
It was a matter of "great regret" that talks with the opposition aimed at defusing the current crisis had not produced results, she added.
Not on speaking terms
Not on speaking terms
The BBC's Roland Buerk in Dhaka says Bangladeshi politics is especially bitter because of the personal rivalry between Sheikh Hasina of the Awami League and Mrs Zia.
The BBC's Roland Buerk in Dhaka says Bangladeshi politics is especially bitter because of the personal rivalry between Sheikh Hasina of the Awami League and Mrs Zia.
They have led the country in alternate terms since 1991 but have not spoken for years.
They have led the country in alternate terms since 1991 but have not spoken for years.
Parliament has been boycotted regularly by whichever party is in opposition, and a culture of street demonstrations has developed.
Parliament has been boycotted regularly by whichever party is in opposition, and a culture of street demonstrations has developed.
The BNP is calling for its supporters to be ready to take on opposition activists.
The BNP is calling for its supporters to be ready to take on opposition activists.
Our correspondent says that there will be little the 25,000 police and security personnel deployed in the capital, Dhaka, can do as the powerful political parties try to enforce their dominance of the streets.
Our correspondent says that there will be little the 25,000 police and security personnel deployed in the capital, Dhaka, can do as the powerful political parties try to enforce their dominance of the streets.
With the elections not expected to take place until January, months of disruption lie ahead, our correspondent adds.Are you in Bangladesh? Have you witnessed any of the violence? Send us your experiences and comments using the form below:
With the elections not expected to take place until January, months of disruption lie ahead, our correspondent adds.
Are you in Bangladesh? Have you witnessed any of the violence? Send us your experiences and comments using the form below:
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