GLADEWATER – Gladewater police have arrested a woman in the robbery of a 75 year old woman. The robbery occurred in the woman’s home on West Gray Avenue shortly after 10:15 Wednesday morning. She told officers a woman entered her home with a knife and demanded money. She left with an undisclosed amount of money. Gladewater Police detectives later got a warrant for Lasandra Ann Peoples, 39 of Gladewater, and arrested her without incident around 5:15 Wednesday afternoon. She has been charged with aggravated robbery.