A man was killed overnight after his vehicle hit a tree and burst into flames. 

The crash occurred around 2:30 a.m. Saturday at Ham Brown Road and Reaves Road in Kissimmee. 

According to the Florida Highway Patrol, a Nissan was traveling southbound on Ham Brown Rd. when for an unknown reason the driver traveled off the road and struck a tree. 

The impact caused the Nissan to become engulfed in flames. The driver suffered fatal injuries, troopers said. 

The crash remains under investigation.