A 48-year-old driver was killed after crashing into a tree on Milwaukee's southwest side Tuesday night.WATCH: What we know in the deadly crash investigation Driver killed after crashing into tree on Milwaukee's southwest sideThe single-vehicle crash happened around 6:44 p.m. near South 68th Street and West Oklahoma Avenue, killing the driver, who was the only person inside, according to Milwaukee police.An investigation into the crash is ongoing. However, police said speed is believed to have been a factor in the crash.The identity of the driver has not been released.Its about time to watch on your time. Stream local news and weather 24/7 by searching for TMJ4 on your device.Available for download on Roku, Apple TV, Amazon Fire TV, and more.Report a typo or error // Submit a news tip ...read more read less