Two teenaged girls were sexually assaulted during a Picton home invasion, and a West Coast woman was attacked while she slept, in two separate attacks early on Sunday morning.
A 25-year-old Blenheim man has been arrested over the Picton incident, while a West Coast man is facing multiple charges over the second incident.
Both attacks took place in the early hours of Sunday morning.
Two 16-year-old girls were sexually assaulted during the home invasion in Picton.
Police said the man entered the bedroom, which the girls were sharing, about 3.45am on Sunday and sexually assaulted both of them.