Fighters regrouping after forces loyal to Muammar Gaddafi mount strong resistance in former leader's home city. <br /><br />They have pulled back about four kilometres after pushing towards the edge of the city centre on Saturday.<br /><br />One of the NTC fighters' aims was to try and secure a safe corridor for civilians trapped in a neighbourhood known as residential area 01. <br /><br />But they failed to dislodge Gaddafi fighters who are said to be using civilians as human shields.
