Armenian President Armen Sarkissian's spouse, Nouneh Sarkissian, underwent surgery at a Yerevan hospital today, presidential aide Hasmik Petrosyan told Armenian News-NEWS.am.

Armen Sarkissian is at the medical center.

Prime Minister Nikol Pashinyan came to see her at the hospital, 168.am reported. But Armen Khachatryan, head of the government's Information and Public Relations Department, said he did not have such information.