Ericsson/Nasr behaviour "unacceptable"

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The duo crashed into each other during the Monte Carlo race after Ericsson dove down the inside of Nasr at La Rascasse on lap 48 and made contact.

The accident led to the retirement of both drivers.

Nasr had been asked to let Ericsson through before the accident, but the Brazilian had ignored the request, and the Swede said later that he had been told to "go for it".

Kaltenborn, however, made it clear it was the drivers' responsibility to make it to the end of the race, and was critical of both of them.

She claimed a similar incident will not happen again in the future.

"It was unacceptable behaviour by both drivers," said Kaltenborn. "Today the work of the whole team ended in a collusion.

"Marcus and Felipe both know how much work is put into every race weekend. They have the responsibility to make it to the end of the race.

"After evaluating the overall situation, it was important to bring the fastest car as far as possible to the front, so that we were able to used any chances. Our decision was based on the data from both cars.

"After this, we have clarified the situation internally and both drivers are aware of their responsibilities. Such an incident will not happen again."

Ericsson has been given a three-place grid penalty for causing the collision.