Just as the 'Multi-21' affair began to simmer, the next teammate feud broke out in formula one. This time, the animosity was taking place a bit further down the field, as McLaren pushes to improve i...

Just as the 'Multi-21' affair began to simmer, the next teammate feud broke out in formula one.

This time, the animosity was taking place a bit further down the field, as McLaren pushes to improve its 2013 car, and Sergio Perez also feels the pressure to up his game.

Team boss Martin Whitmarsh had complained recently that the British team's new Mexican recruit was being "too polite" this year, and urged him to use his "elbows".

The 23-year-old obliged on Sunday in Bahrain, but the subject of his aggression was Jenson Button, in the sister MP4-28.

"Emotions were running high," said Button afterwards, excusing his radio anger.

Indeed, the 2009 world champion pleaded with his team to "Calm him (Perez) down!), adding after yet another exchange of bodywork: "Come on guys!"

Button told the BBC: "I would say exactly the same again. The racing was great out there. The only person that wasn't was Checo (Perez).

"He was too aggressive, I would say. It was a bit of a surprise, and I'm probably not the only one that feels like that."

Button was probably referring to the duo's boss, Whitmarsh, who agreed on British Sky television that he had already spoken to Perez and told him his behaviour was "over the limit" versus Button.

"That's not what we expect," he added.

Even Perez agreed that his and Button's aggression was "too much" on Sunday.

"I guess I was a little aggressive on track today; banging wheels with Jenson was perhaps a little too risky, a little too hard," he admitted, according to a media statement.

At the front of the field, Red Bull's Sebastian Vettel raced to a 10-point championship lead by easily winning.

Race favourite Fernando Alonso's challenge faded with a recurring DRS rear wing problem, while Kimi Raikkonen could finish only second following his poor qualifying.

Spaniard Alonso, despite winning in China a week ago, is now 30 points behind Vettel after just four races.

"We're in a good position in the championship," the reigning triple world champion admitted on Sunday. "It was a very straightforward race."

Pos No Driver Team Laps Time/Retired Grid Pts
1 1 Sebastian Vettel Red Bull Racing-Renault 57 Winner 2 25
2 7 Kimi Räikkönen Lotus-Renault 57 +9.1 secs 8 18
3 8 Romain Grosjean Lotus-Renault 57 +19.5 secs 11 15
4 14 Paul di Resta Force India-Mercedes 57 +21.7 secs 5 12
5 10 Lewis Hamilton Mercedes 57 +35.2 secs 9 10
6 6 Sergio Perez McLaren-Mercedes 57 +35.9 secs 12 8
7 2 Mark Webber Red Bull Racing-Renault 57 +37.2 secs 7 6
8 3 Fernando Alonso Ferrari 57 +37.5 secs 3 4
9 9 Nico Rosberg Mercedes 57 +41.1 secs 1 2
10 5 Jenson Button McLaren-Mercedes 57 +46.6 secs 10 1
11 16 Pastor Maldonado Williams-Renault 57 +66.4 secs 17  
12 11 Nico Hulkenberg Sauber-Ferrari 57 +72.9 secs 14  
13 15 Adrian Sutil Force India-Mercedes 57 +76.7 secs 6  
14 17 Valtteri Bottas Williams-Renault 57 +81.5 secs 15  
15 4 Felipe Massa Ferrari 57 +86.3 secs 4  
16 19 Daniel Ricciardo STR-Ferrari 56 +1 Lap 13  
17 20 Charles Pic Caterham-Renault 56 +1 Lap 18  
18 12 Esteban Gutierrez Sauber-Ferrari 56 +1 Lap 22  
19 22 Jules Bianchi Marussia-Cosworth 56 +1 Lap 19  
20 23 Max Chilton Marussia-Cosworth 56 +1 Lap 21  
21 21 Giedo van der Garde Caterham-Renault 55 +2 Laps 20  
Ret 18 Jean-Eric Vergne STR-Ferrari 16 Accident damage 16  

Note - Webber, Gutierrez qualified P5 and P18, dropped 3 and 5 grid places respectively for collisions at previous round. Hamilton qualified P4, dropped 5 places for unscheduled gearbox change

2013 Bahrain Grand Prix - RESULTS