Teachers in Guinea began an indefinite strike on Monday to demand a 40 percent pay rise. With no classes to attend, many pupils in the capital Conakry staged anti-government demonstrations which were broken up by riot police. The pupils chanted anti-government slogans, but no arrests were reported. Bamba Camara, the Secretary General of the Guinean Teachers' Federation, said the nationwide strike had been called to demand a 40 percent pay increase and the full implementation of a 2000 protocol with the government, which set a formula for raising teacher pay.