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			 The German, who has been beaten by the double Formula One world 
			champion in all three races so far this season, topped the 
			timesheets with a best time of one minute 34.647 seconds on soft 
			tires in the second, floodlit session. 
			 
			Championship leader Hamilton was second overall, 0.115 slower, after 
			losing time when he made a mistake and locked up a front tire into 
			turn eight on his fastest lap. 
			 
			He also ended the day with a stewards' enquiry hanging over him and 
			Ferrari's Kimi Raikkonen for possible pit lane infringements in 
			driving around cars that had stopped for practice starts. 
			 
			The Mercedes drivers had accused each other of driving too slowly, 
			Hamilton in dictating the race pace and Rosberg for failing to 
			overtake him, after last weekend's Chinese Grand Prix won by the 
			Briton. 
			 
			After a quiet opening session, with Mercedes focusing on long runs 
			and clocking only the 15th and 16th fastest times while Ferrari set 
			the pace, normal service was resumed in the evening. 
			  
			 
			"It was a good day today," said Rosberg, who faces a trickier task 
			in qualifying on Saturday with a sandstorm forecast. 
			 
			"We’ve learned that it is pointless driving at lunchtime because we 
			don’t learn anything because the race is in the evening and it’s 
			such different conditions. 
			 
			"In the evening we learned that we were very quick on one lap again 
			and the Ferrari is very dangerous to us on the long run because they 
			have serious pace." 
			 
			Hamilton agreed with that assessment: "I think they’re going to be 
			very close. They look very good, from what I can see, in the long 
			run." 
			 
			Raikkonen, who had led team mate Sebastian Vettel in the blazing 
			afternoon heat with a best lap of 1:37.827, was the third fastest in 
			the second session with Vettel fourth. 
			 
			Vettel also had a post-practice trip to the stewards after a 
			collision with the Force India of Mexican Sergio Perez that 
			temporarily brought out the red flags due to front wing debris from 
			the Ferrari on the track. 
			 
			
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			The session then resumed with 10 minutes remaining. 
			 
			Finland's Valtteri Bottas was third and fifth fastest respectively 
			in the two sessions for Williams with Australian Daniel Ricciardo 
			sixth in the later one for Red Bull. 
			 
			McLaren's Spaniard Fernando Alonso was seventh and 12th on the 
			timesheets but team mate Jenson Button had a miserable day. 
			 
			The 2009 champion failed to record a lap time after an electrical 
			problem sent him spinning on track to a standstill in the opening 
			minutes, and was again sidelined in the evening session after just 
			three laps before returning later. 
			 
			"Hopefully we don't have any issues so I can get some running in 
			tomorrow to see what the car is doing, because when you are thrown 
			in at the deep end here it is quite tricky with braking," said 
			Button. 
			 
			Mercedes are favorites for Sunday's race, with fans hoping to see 
			another duel in the desert between Hamilton and Rosberg after last 
			year's thriller. 
			 
			"With these tires and with Ferrari in the mix, I think we could see 
			a real special race here," Hamilton said. 
			 
			(Editing by Toby Davis) 
			
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