Australian Grand Prix crash: Fernando Alonso suffers huge accident:

Fernando Alonso has walked away uninjured from a huge crash at theAustralian Grand Prix.

The two-time champion's McLaren was launched into the air and came to rest upside down after hitting the back of Esteban Gutierrez's Haas.

Alonso was able to climb out of the wreckage unaided after the incident at Turn Three at Albert Park.

The Spaniard was taken to the medical centre for a check-up and subsequently released.

Alonso had been trying to pass Gutierrez on the approach to Turn Three and flicked from the inside of the track to the outside at the last minute.

Gutierrez was drifting gently from the middle of the track to the outside as Alonso switched positions, and when the Haas started to slow the McLaren's right-front wheel tagged the left rear of the Haas.

The McLaren speared straight on, the right way up, before launching into a barrel roll as it reached the gravel trap.