The morning session was brought to an early end after Alonso had to be transported to the medical centre having hit the wall between turns 3 and 4. The right hand side of the McLaren was damaged in the incident as it ran along the wall.
Alonso was airlifted to hospital for precautionary checks, where he underwent a CT scan with results saying he was uninjured in the crash. However, with the car damaged McLaren said it would not be running again on Sunday.
Jenson Button had been scheduled to drive the MP4-30 on Sunday afternoon having been limited in his running on both Thursday and Saturday, but he will now go in to the final test - starting on Thursday - with just 86 laps under his belt in total in the 2015 car.
That’s the end of our programme here at the first Barcelona test. Thank you for all your messages of support for Fernando.
— McLaren (@McLarenF1) February 22, 2015
Click here for the gallery from day four of the second test