Greenwich Police are looking for three men with knives suspected of invading and robbing a house on Friday. Sargeant Chris Shockley reports that two occupants of a home on Dandy Drive in Cos Cob were held at knifepoint while three men, described by police as Asian and in their mid 20's, robbed the house. All three escaped before police arrived. Greenwich Police report that this robbery was targeted and not random. There are very few details being released about this case pending the ongoing investigation.