Perez suffers no serious injuries

The Swiss squad said the Mexican rookie had concussion and a sprained thigh but no broken bones following a scan, and that doctors could not find further injuries.

The news means Perez is likely to be absent from tomorrow's race, although the team did not mention anything about his participation in the event.

Sauber added that it would investigate the reason for the crash.

"It was with great relief the Sauber F1 Team received the news that Sergio Perez has no serious injuries after his heavy accident in the closing minutes of the final part of qualifying for the Monaco Grand Prix," said Sauber in a statement.

"Shortly before 15:00 hrs he had crashed into the barrier after the fast tunnel section of the circuit.

"The 21-year-old Mexican was taken to the Hospital Princess Grace in Monaco from where the team received further information at 16:25 hrs: The doctors said Perez had suffered concussion and a sprained thigh, but no broken bones and, following a scan, they could find no further injuries.

"The reason for the accident will be investigated and the team will update the media as soon as it has any further information."