The Jacksonville Sheriff’s Office is investigating a life-threatening injury on Andress Street off the 6500 block of North Main Street. Officers have barricaded Andress Street. Police were called to the location about 12:40 p.m. for gunshots. No other details are immediately available. A briefing is scheduled for 3 p.m. The Florida Times-Union and Jacksonville.com will have more on this as it develops. Dan Scanlan (904) 359-4549