Police were called to Bridge Street in Hindley just after 8.10pm on Monday
A GANG of six kicked open the front door of a house on Monday night and sprayed a woman with an "unknown substance".
The offenders approached a house on Bridge Street in Hindley just after 8.10pm before spraying the woman.
They then fled the scene.
A Greater Manchester Police spokesman said: "Emergency services attended the scene and established the substance was not harmful.
"The woman received no injuries.
"Enquiries are ongoing."
If you have any information contact police on 101 or call the independent charity Crimestoppers, anonymously, on 0800 555 111.
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