New Delhi, Sept. 22 -- Vote counting was underway in some polling stations in Guinea Sunday evening in a referendum on a draft constitution that could allow the leader of the country's junta to run for the presidency.

The referendum, which is a key step in the country's transition from military to civilian rule, is being closely monitored in the coup-battered region, with critics calling it a power grab. Some say it is a way for Gen. Mamadi Doumbouya, who took power by force four years ago, to seek the presidency and legitimize his military rule.

Guinea is one of a growing number of West African countries, including Mali, Niger and Burkina Faso, where the military has taken over.

There are 6.7 million eligible voters and the referendum...