Sergio Perez says drivers raised new Turn Four kerb in Friday briefing in Bahrain
Mexican also says Rosberg swerve 'dangerous' but reprimand enough
Friday 4 April 2014 22:16, UK
Sergio Perez has revealed that F1's drivers have expressed concern over the new raised kerb at Turn Four on the Bahrain International Circuit after two cars were launched into the air during practice.
