Shots were fired at the kitchen window of a house where three people were inside.
The incident took place in the Warrington area at around 10.20pm yesterday.
A vehicle was heard in the location of Reapers Close in Great Sankey before shots were fired at the house.
Fortunately none of the three people inside were injured, the only damage being to an inside wall.
The scene has been cordoned off and an investigation begun to establish the exact circumstances.
Detective Inspector Jo’anne Flanagan said: "I know an incident like this will concern the local community and I would like to reassure them that officers will be visible and patrolling the area.
"Although a number of people were inside the house at the time, thankfully no one suffered any injuries.
"We are in the early stages of the investigation and conducting a number of house-to-house and CCTV enquiries.
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"A number of people were in the area at the time who may have seen or heard something, have dashcam or CCTV footage and I want to encourage them to come forward.
"We are asking the public if they saw anyone acting suspiciously on Reaper Close at around 10.20pm. Or if they saw anything suspicious in this area shortly before or after the firearm was discharged.
"If you did, I really would urge you to get in touch to help with the investigation.
"If you do not want to speak directly to the police you can contact Crimestoppers anonymously on 0800 555 111.”
If you have any information please call Cheshire Police on 101 or visit the website quoting IML 665232.
