Negotiations to end a standoff in the Libyan region of Bani Walid have failed.
The area south east of Tripoli is one of the last strongholds of pro-Gaddafi forces.
Reportagem: Jon Leyne
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Opposition negotiators on the outskirts of Bani Walid and from the other side, a pro-Gaddafi TV station, all say that negotiations have broken down.
The opposition here in Benghazi say the talks never really got going because every time they tried to engage with them, Gaddafi loyalists just opened fire.
The opposition say they are likely to launch an attack very soon, possibly it is already in progress.
Inside the area it appears there are some desperate men. Gaddafi loyalists who fear retribution for what they did to try to suppress the revolution.
But the opposition say many of the civilian population there support the revolution.
There are many reports that some of Col Gaddafi's sons were in the area but the best guess is that they have already moved on as they do not expect to hold the ground.
Jon Leyne, BBC News
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negotiators (aqueles que tentam encontrar pontos comuns que levem a um acordo os dois lados de um conflito; negociadores) people who try to get two sides of a dispute to reach an agreement
the outskirts of (as áreas periféricas de uma cidade; arredores) the areas outside of the centre of a city
broken down (interrompido por conta de um desacordo; ruptura) stopped because of disagreement
the opposition (o grupo que não está no poder mas que pelteia o poder; oposição) the group of people not in power who would like to be in power
loyalists (aqueles que apoiam fortemente o governo, ou os governantes atuais; leais) people who strongly support the current government or rulers
to launch an attack (dar início à ação militar; atacar) to start military action
retribution (punição severa por participação em crimes graves) severe punishment for involvement in serious crimes
to suppress (tentar interromper) to try to stop
civilian population (aqueles que se encontram numa zona de conflito e que não pertencem às forças militares; população civil) people in a place of war who are not part of the military
to hold the ground (manter uma área ou região sob seu comando) keep an area of land under their military command