Police are appealing for witnesses after the incident in Abbotsbury, Bracknell.
The act occurred between 1am and 6.40am yesterday and police believe three men carrying a baseball bat could be responsible.
One offender is described wearing a white hat an another wearing red around the neck of his clothing.
If you have any information which could help with the investigation, please contact PC Eastment from Bracknell Forest police station via 101.
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