The Dalles Police Department says it is investigating a home invasion and armed robbery that took place late Sunday night in the 800 block of Richland Court.  According to a statement from The Dalles Police, multiple suspects entered a home armed with weapons and detained the residents inside.  Property was taken from the residents, and the suspects fled the area.  Paramedics with Mid-Columbia Fire & Rescue were dispatched to the scene to attend to injuries of the victims.   At this time, there is no information supporting any ongoing threat to residents in the area.  The police department statement says due to the sensitive nature of the investigation, TDPD did not immediately release information regarding the case.  Police say the investigation is ongoing, and they are asking for assistance from the public.  Anyone with information regarding suspicious activity, including vehicles/persons parked in the 800 Block of Richland Court area between 10:00 p.m. and 12:30 a.m. on Sunday evening and Monday morning are asked to contact The Dalles Police Department at 541-296-2613.