Summarize this content to 2000 words in 6 paragraphs Residents in Willetton and Bull Creek should remain alert on Thursday afternoon after a bushfire sparked an ember attack warning.The Department of Fire and Emergency Services issued a watch and act alert for a fire that started in Bull Creek Wetlands about 11.51am.Firefights and water bombers are on the scene fighting the blazeCredit: 9News PerthThe alert has since been downgraded to an advice-level warning.DFES said the fire is stationary and contained, but not controlled.The advice affects residents on Karel Avenue in an area bounded by Leach Highway to the north, Camm Avenue to the west, Parry Avenue and Burrendah Boulevard to the south and The Escarpment the east.Residents are advised to watch for signs of a bushfire, especially smoke and flames and to keep doors and windows closed and turn off evaporative air conditioners.Although there is no immediate danger residents need to be aware and keep up to date in case the situation changes.A number of roads have been closed including Karel Avenue.Motorists are asked to avoid the area, reduce speed and drive carefully.
