A search is underway for one of two dogs after a man was mauled in a Brisbane park.

The 37-year-old man was riding along a bike track in Seventh Brigade Park on Kittyhawk Dr in Chermside, Brisbane, about 6.15pm on Friday, when he was dragged from his bicycle by the dogs.

WATCH THE VIDEO ABOVE: Man fights for life after Brisbane dog attack

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He was found by paramedics with significant injuries to his arms.

Paramedics deemed the injuries to be life-threatening and rushed the man to Royal Brisbane and Women’s Hospital in a critical condition.

Police arrived soon after and tracked down one of the dogs, a pitbull, which was seen being led away by an officer.

7NEWS understands the dog has been surrendered to Brisbane City Council.

But the search for the second dog remains ongoing despite a police helicopter being used to scour the surrounding area and warn locals to be on alert.

7NEWS.com.au contacted Brisbane City Council for comment.

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