Several football teams taking part in the Africa Cup Of Nations are based in Buea and train there.
Correspondents say the Cameroonian military has a significant presence in the town to counter any security threat.
The separatists who “started fighting the government almost five years ago had threatened to disrupt the tournament.
Late on Tuesday, an opposition senator was shot dead in the city of Bamenda, in north-west Cameroon – another English-speaking region which is badly affected by the separatist rebellion.
BBC /Shakirat Sadiq
Gunfire Kills One in Cameroon