Avengers star Jeremy Renner has said he is "doing everything he can to heal faster" after injuring both of his arms while filming a stunt.

The 46-year old actor attended the Karlovy Vary International Film Festival in the Czech Republic over the weekend and the Hollywood Reporter quotes him as saying. "I am doing a comedy that has a few stunts in it... It won't really affect my job. It affects how I get dressed in the morning - I cannot tie my shoes."

"It won't stop things that I need to do. I heal fast and am doing everything I can to heal faster." 

Renner is reported to have made the comments during a panel interview promoting another film project, Taylor Sheridan's Wind River, at the festival.

The actor posted pictures of his Instagram account a few weeks ago showing one arm strapped up in a sling and the other with a wrist brace.

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Alongside the photograph he wrote: "Fall down seven times... stand up 8! #fixedup #pushthrough".

Another photograph showing a woman kneeling in front of him, appearing to strap up his right arm, was captioned: "No, this was NOT a proposal #fixedup #ouch".

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Renner has also been filming the latest instalment in the Avengers franchise, Infinity War, due for release next year.

He will reprise his role as Hawkeye, alongside other Marvel superhero big hitters such as Tony Stark aka Iron Man (played by Robert Downey Jr), Mark Ruffalo as The Hulk and Chris Hemsworth as Thor.

Last week it was reported that Love/Hate star Tom Vaughan Lawlor has also joined the cast of Avengers: Infinity War, although Disney are yet to confirm what role he is playing.