Two women are being treated in hospital, while an 8-year-old girl was reportedly held down by an attacker
The PSNI is appealing for witnesses to an aggravated burglary and serious assault in Banbridge, Co Down last night.
It was reported three men entered a property in the Bramblewood area shortly before 11pm last night.
Two women - aged 48 and 17 - required hospital treatment for suspected fractures and other injuries which are not believed to be life threatening.
It is also understood an eight-year-old girl was held down by one of the attackers,.
The girl is being treated for shock after the incident.
Detective Inspector Stephen Harvey said: "This was a vicious act and I would ask for the public to assist us in bringing the perpetrators to justice."