The city lies 60 km north of the capital Kigali, and is not far from the border with Uganda.
Riza was expected to reach the capital Kigali by road later Monday for discussions with army commanders.
He added that the guerrillas, which was besieging the capital Kigali on Wednesday, controlled about two-thirds of Rwanda.
The complex is located in the upmarket Kacyiru district of Rwanda's capital Kigali.
It was built in 2007 on Mont Jali near the capital Kigali.
Bernard Valcourt, a documentary filmmaker from Quebec, has been sent to the Rwandan capital Kigali to set up a television station.
Ceremonies were held across the country, including in the capital Kigali, were throusands of candle spelt out the word "hope".
The French intervention of two parachute companies, explained as an attempt to protect its own nationals, actually blocked the RPF advance on the capital Kigali.
He escaped from the capital Kigali and he used his position to save the lives of many others.
In 1994, immediately following the war, Rose Kabuye was appointed mayor of the capital Kigali.