Updated: 7:17pm: All lanes are back open going NB on Interstate 15 through the Cajon Pass. Lanes #5 & #6 still remain closed for clean up. 

Updated: 4:19PM: I-15NB Lanes were still reported as closed according to CalTrans. Crews on the ground have put out vehicle flames and continue to clean up debris from incident.

Updated 3:08PM - A fire in Devore is causing major delays. County officials have stated that NB I-15 north of Kenwood Ave. Lanes #4, #5 and #6 blocked due to brush fire. Delay travel and anticipate heavy traffic. Use alternate route if available.

Crews are reporting that the brush fire is a separate incident from a big rig (not RV) that caught fire at a different part of Interstate 15. Keep checking back for updates. Major delays NB on Interstate 15.

Researchers have successfully modeled an ancient "superhighway" system in Australia that shows how Aboriginal tribes were able to migrate across the land, according to two studies published Thursday in Nature Communications.