Police are investigating two violent attacks on Tuesday night in Sydney, including a home invasion involving up to ten men.


Police are searching for up to ten men who violently broke into a home in southern Sydney.


About 9:30 pm, a number of armed men broke into a home on Minnesota Avenue in Riverwood.


An ambulance arrived soon after and a victim was treated for head wounds.


Police could not confirm whether the men left with any property, or suggest any motive for the home invasion.


Police were also unable to confirm reports that the men were armed with guns.


Meanwhile police are investigating reports a 17-year-old bashed and robbed by a group of men outside a shopping centre in the western Sydney suburb of Emerton, about 10:30 pm.