What is "kousseri"

Kousséri is a city in Far North Province, Cameroon, lying on the border with Chad, across the Chari River from N'Djamena. It is the capital of the Logone-et-Chari department. It is a market town, and its population has recently been swollen by refugees from Chad. It had a population of 89,123 at the 2005 Census.