COLUMBIA, S.C. – Richland County deputies have arrested a 20-year-old woman who they say strangled her grandmother. Deputies say around 4 p.m. on January 19, they were called to a residence in the 1100 block of Dunnagon Street for a call of a domestic incident. When they got there they spoke to 20-year-old Aneia Anderson, who told deputies she had gotten in a fight with her 79-year-old grandmother.