Police are attempting to negotiate with an armed man to surrender at a property near a southern Brisbane train station.
They say the stand-off involving the armed man at the property near Banoon Station, near Sunnybank, started about 11am on Thursday.
Police would to confirm media reports the man is holding a young child hostage.
Officers have made an emergency declaration under the Public Safety Preservation Act and cordoned off an area bounded by Dyson Ave, Geddes Place, Beenleigh Rd and Ganda Pl.
They have urged people to avoid the area and residents have been told to follow emergency services' advice on the ground.
