Prisoners who have seized part of Afghanistan's main high-security jail have issued a series of demands.
Inmates want talks with senior officials, better food and a change in jail uniform rules, among other things.
Security forces are continuing to ring Kabul's notorious Pul-e-Charkhi jail, more than a day after the riot began.
Sources told the BBC that seven people have been killed and 36 hurt in the rioting, although officials deny this. Negotiation efforts have so far failed.
Taleban and al-Qaeda members as well as ordinary criminals are involved, officials say. Inmates are said to be armed with knives and makeshift clubs, but not guns.
Gunfire was heard within the prison walls on Saturday night and Sunday, but the situation appeared calmer on Monday.
The BBC's Bilal Sarwary, outside the prison, says only two gun shots were heard on Monday morning, and that there are fewer troops at the scene.
He says US and Nato forces are also monitoring events, and that two drones have been circling overhead.
Fears for women
Hundreds of prisoners remain barricaded inside the women's wing, our correspondent says.
A senior prison official told the BBC that he was "concerned" that some 1,350 prisoners who had "taken control" of a women's wing may have raped some of the inmates.
"We really do not know how many people are killed or injured since we cannot enter the area," he said. Two female prison guards are reported to have been taken hostage.
Trouble apparently started at about 2200 (1730 GMT) on Saturday in Block 2 - which houses 1,300 inmates - after a change in prison uniform rules.
By Sunday evening local time, up to 750 inmates jailed for ordinary criminal offences in another block had begun burning furniture in support of the Block 2 prisoners.
Some reports said the riot developed into an escape attempt, with prisoners trying to get over the walls.
"It's the work of al-Qaeda and Taleban. By making things violent, they want to escape the prison. So far no-one has succeeded doing this," Gen Salam Bakhshi, director of Afghan prisons, told the BBC.
An Afghan MP denounced any use of gunfire to quell the unrest, and called for "immediate, peaceful negotiations".
"It's the government's mistake," Dr Hassadollah Hymatyar said. "When they decided to give uniforms to the prisoners they should have done it by peaceful means, not through imposition and force."
Dark history
Pul-e-Charkhi is a huge prison complex built in the 1970s on the outskirts of the capital.
Correspondents say the vast and run-down jail is notorious for the disappearance and torture of thousands of Afghans during the communist era.
Last month, seven Taleban suspects escaped from the jail, with prison guards accused by officials of helping the break-out.
Four men described as "dangerous militants" escaped from US custody at the Bagram air base near Kabul last year.
(BBC)
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