MEMPHIS, Tenn. -- All lanes on Summer Avenue and Highland are currently shut down due to a large strip mall fire early Monday morning, according to Memphis Police. Firefighters responded to the fire in Highland Heights on 3415 Summer Avenue. (Photo by: WREG's Quintin Bearkley) At this time, it is unclear what caused the fire and if anyone was injured. Drivers are asked to seek alternative routes at this time. ► ALTERNATIVE ROUTES This comes after a fire on Southern Avenue near Patterson Street just before 10 p.m. on Sunday. WREG is working to gather more details on both incidents. We will update this story as they become available. 📡 See more breaking news, local news and weather from WREG.com for Memphis and the Mid-South. 📧 Sign up for WREG newsletters and have the latest top stories sent right to your inbox. If you have any information that could help police, call CrimeStoppers at 901-528-CASH.