Helicopter Video Captures Massive Spill After Semi Tips Over on Phoenix Freeway Phoenix, Arizona – Dramatic helicopter footage shows the aftermath of a semi-truck rollover that scattered cargo and white powder across multiple lanes of a Phoenix freeway. The semi appears to have lost control before tipping onto its side, tearing open the trailer and releasing hundreds of boxes. A wide swath of white dust is visible from the air as authorities secure the area. Hazmat crews arrived to test the subs

214 reactions · 100 shares | Rare, up-close drone footage of the...