Summarize this content to 2000 words in 6 paragraphs Police investigations are continuing into the cause of a dramatic fire in Brisbane this week.A business on Boothby Street in Kedron went up in flames just before 4pm on Thursday.Emergency services were called to the scene, with firefighters controlling the blaze within an hour.The fire broke out at a business on Boothby Street just before 4pm on Thursday. Credit: Queensland Fire Department Although there were people inside the building at the time, no injuries were reported.The Queensland Police told Brisbane Times on Saturday it remained unclear what started the fire.“The cause is undetermined at this stage,” they said. “Investigations are continuing.”The Kedron blaze was out of control for an hour.Credit: Queensland Fire Department “A crime scene was declared at the time to preserve the scene in preparation for fire investigators.”Smoke could be seen across Kedron and a safety warning was issued that afternoon for all nearby residents to stay indoors and close their windows.
