Ferrari's Fernando Alonso and Mercedes' Lewis Hamilton steer their cars during first practice for the Bahrain Grand Prix.
Ferrari's Felipe Massa topped the first practice session, with teammate Fernando Alonso finishing 2nd and Nico Rosberg third in his Mercedes.
A Ferrari mechanic carries the used tires after the first practice session for the Bahrain Grand Prix at the Bahrain International Circuit in Sakhir.
Adrian Sutil, in his Force India, finished 8th in the first but slipped to 9th in Practice 2 of the Bahrain Grand Prix.
Red Bull's Mark Webber pipped partner Sebastian Vettel in the second practice. He was 8th in first, while 2nd in Practice 2.
Red Bull driver Sebastian Vettel, who won the Bahrain Grand Prix last year, finished third behind his teammate Mark Webber in the second practice.
Lotus' Kimi Raikkonen topped the second practice for the Bahrain Grand Prix. Raikkonen was 0.03 seconds faster than Webber and 0.12 quicker than Vettel.
Russia has been trying to destabilize Ukraine.
Hamilton was asked to concede his lead to teammate Rosberg by Mercedes officials at Hungarian GP.