Much of Southern California was under red flag warnings for fire danger due to heat, wind and low humidity levels.

NPR: Wind-Fueled Wildfire Erupts East Of Los Angeles

The vehicles entered beneath an archway formed by the ladders from two fire trucks with an American flag hung between them.

NPR: Obama Consoles Families, Survivors Of Texas Blast

He was greeted by a giant American flag, which had been unfurled moments before his arrival by fire and rescue workers from the five-story building's roof.

CNN: No hope of finding more survivors at Pentagon