Nico Rosberg retains the championship lead after finishing second in Bahrain . The Mexican escaped unscathed despite his car 's spectacular somersault . Mercedes teammate Lewis Hamilton wins race after overtaking Alonso at start . Hamilton is slowed down by safety car after spectacular accident . Sergio Perez claims Force India 's second podium finish in team 's history .
Nico Rosberg retains the championship lead after finishing second in Bahrain . Mercedes teammate Lewis Hamilton wins race after overtaking Alonso at start . Hamilton is slowed down by safety car after spectacular accident . Sergio Perez claims Force India 's second podium finish in team 's history .