Sign up for our COVID-19 newsletter to stay up-to-date on the latest coronavirus news throughout New York Nassau County police are investigating an armed home invasion in which a woman was sexually assaulted in Valley Stream on Monday, authorities said.A 34-year-old man was leaving his East Hawthorne Avenue home shortly after 7 a.m. when two men demanding his gold chain forced him back inside, bound him with duct tape and sexually assaulted a 36-year-old woman who was also inside the home, police said.One suspect was armed with a handgun and the other had a duffle bag containing a rifle, according to police. After the assailants ransacked the home and stole cash and jewelry, they fled the scene on foot.The suspects were described as black men wearing black hooded sweatshirts, black jeans and black boots. The first suspect was described as 6-feet tall with a slim build. The second suspect was described as 5-feet, 7-inches tall with a medium build and wearing a mask.Fifth Squad detectives ask that anyone with information regarding this case to call the Nassau County Crime Stoppers at 1-800-244-TIPS. All callers will remain anonymous.