Force India's Sergio Perez concedes it was his fault he crashed into the back of Carlos Sainz in Sunday's Bahrain Grand Prix.

The incident happened on the second lap, with both drivers forced to pit as a result, Sainz with a puncture and Perez with front-wing damage.

Sainz was later forced to retire as a result, having sustained damage to the floor of his Toro Rosso while limping back to the pits, and while Perez did finish, he was well down in 16th place, one spot behind team-mate, Nico Hulkenberg.

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"Not the best of weekends for me: I knew I had to get a good start after Saturday's qualifying result and I managed to pull off a great one, making up a lot of ground. Unfortunately, on lap two I made contact with Sainz, which ended up destroying my race," Perez said.

"I was in his tow and when I went onto the marbles on the inside I just couldn't stop the car enough.

"It was a real shame as the pace was there to score a good amount of points."

Meanwhile, Sainz said Perez 'just arrived and hit him': "What a shame to have had to retire. It was looking like a race where we could've certainly scored points, and it all just ended in a first-lap accident," Sainz noted.

"We were fighting and I was defending from a McLaren and Checo Perez suddenly arrived from behind and hit me, causing a puncture.

"From that point onwards my race was completely lost, as I was a lap down after my first pit-stop."

"Now we just need to put this behind us and look forward to the next race in China in two weeks' time, where we will come back stronger - we know that we have a good car and we can be fast," he added.