Spanish police have released wild footage of a chase between a helicopter and speeding Porsche.
Authorities said the chopper was monitoring traffic on a motorway north west of Madrid when it spotted a sports car travelling at high speed.
The helicopter followed the Porsche and used speed detection equipment to track its velocity.
![Helicopter footage of the Porsche shows it passing traffic at speed. Photo / Guardia Civil](https://www.nzherald.co.nz/resizer/v2/BV476U2EIY6EWSDBOJWKQ6UZJE.png?auth=88babaf1b55321d85692526f3e909e3518842e8ad94ad9c20ddc00288b96e2b6&width=16&height=9&quality=70&smart=true)
Police recorded the car driving at 285km/h in a 120km/h zone on a sunny day in June.