Shots have been fired at two Sydney homes and one woman suffered minor injuries in the latest of at least 30 shootings in Sydney in five months.

Police said they were investigating whether the drive-by shootings at Auburn and Arncliffe - which occurred about 10 minutes apart - were linked.

Bullet marks ... shots were fired into a house on Fairview Street, Arncliffe. Credit:Nick Moir

Officers were called to the first shooting at Marion Street, Auburn, at 9.45pm yesterday, to find a woman in her 20s with a graze on her leg, believed to have been caused by something in the house that was broken during the shooting.

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