A 60-year-old man has been arrested after at least one person was shot, numerous people injured and multiple cars fired upon by a gunman in Sydney’s inner west.

As many as 100 shots rang out over a two hour window between 7.45pm and 9.30pm on Sunday night in Croydon Park.

Streets were closed and the area was placed in lockdown as police launched a major operation after reports a man was indiscriminately firing at motorists, including police cars, travelling along Georges River Road.

The tactical police unit was called in to arrest a 60-year-old man from a unit above a business along the busy road.

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Acting Supt Stephen Parry told reporters on Sunday night it was unclear exactly how many shots were fired “but there could have been anywhere between 50 and 1

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