Jacksonville was the scene of two fatal crashes Thursday evening. Jacksonville's Westside was the scene of a fatal accident around 6:30 p.m. involving a tractor-trailer and another vehicle. The crash sent two people to the hospital another individual died at the scene. The accident on I-10 at Chaffee closed I-10 sending traffic on a detour for hours. The Florida Highway Patrol was concerned about a leak from the tractor-trailer. Jacksonville's downtown area was the scene of the second deadly accident around midnight at East Adams Street near Main. The accident sent both drivers to the hospital with life threatening injuries one of the drivers was pronounced dead at the hospital, the other is receiving treatment. Jacksonville Sherriff's Office is investigating the cause of this crash.