Exclusive: Road rage fight breaks out in Sydney's west after car mounts roundabout

A fight has broken out between two angry drivers in Sydney’s west today, with the pair throwing punches at each other.

Video obtained by 9News shows a possible catalyst for the first-fight, one car mounting a roundabout and cutting off another car.

The first driver can then be seen getting out of their car, appearing to instigate the brawl with the second driver.

The pair then take swings at each other in the middle of the street, as other vehicles drive past.

A third and fourth person then appear to try and intervene in the brawl.