ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: At least nine people were killed when gunmen burst into a shopping mall in the Kenyan capital, Nairobi, on Saturday and opened fire, witnesses said.<br/> <br />Scores of shoppers fled the building as armed police shouted for them to "get out, get out" and as police helicopters circled overhead.<br/> <br />Smoke poured out of one entrance and witnesses said they heard grenade blasts.<br/> <br />Others said they saw about five armed assailants storm the Westgate shopping mall and that the incident appeared to be an attack rather than an armed robbery.<br/> <br />The Somali militant group al Shabaab has previously threatened to strike the Westgate mall that is popular with the city's expatriate community. It would have been packed on a Saturday morning.<br/> <br />There was no immediate claim of responsibility for the incident.<br/> <br />One eyewitness who identified himself as Taha said he heard the screech of brakes followed moments later by an explosion and then susta
