BATON ROUGE mdash; A vacant apartment caught fire early Tuesday morning along Congress Boulevard in Baton Rouge.nbsp;Baton Rouge Fire crews responded to the scene around 1:51 a.m. and put the fire out within 10 minutes before it could cause significant damage.The fire started when a mattress caught fire in the living room, officials said.nbsp;The fire is being investigated as an arson, fire investigators noted.Permalink| Comments ...read more read less