At 10:15 p.m., two males, one wearing a mask and carrying a firearm, were observed outside a residence on Glen Manor Drive in Dartmouth. While police were responding to this complaint, a second call was received from another residence on Glen Manor Drive stating they had just been robbed. The male victim answered a knock at his door, the suspects forced their way in and tied up the male and female residents. The three male suspects all had their faces covered and one was carring a firearm. They fled the address on foot. The male victim received minor injuries from being struck in the head and was treated by EHS at the scene. A number of items were taken from the residence.Investigators in the HRP/RCMP Integrated General Investigation Section are continuing the investigation and anyone with information about this incident is asked to contact police at 490-5016. Anonymous tips can be sent to Crime Stoppers by calling toll-free 1-800-222-TIPS (8477), submitting a secure web tip at www.crimestoppers.ns.ca or texting a tip - Tip 202 + your message to 274637.