The super-soft tyre lasted more than twice as long as Pirelli predicted.
Pictures of the cars doing their first laps of the Monaco weekend during practice today.
Fernando Alonso headed the times in the second practice session in Monaco.
Follow the 2011 Monaco Grand Prix second practice session on F1 Fanatic Live.
All the data from the first practice session in Monaco.
Sebastian Vettel topped the times in first practice in Monaco.
Follow the 2011 Monaco Grand Prix first practice session on F1 Fanatic Live.
In the round-up: a quarter of staff at the Bahrain International Circuit were arrested last month.