ACCRA, Ghana, July 1, SPA -- More than 30 heads of state gathered in Ghana's capital Sunday to debate a pan-African government and to discuss a joint U.N.-African peacekeeping force in Sudan's Darfur region. Sudan's president, who canceled his trip to the three-day African Union summit after the death of an adviser, held a teleconference from Khartoum late Saturday in which he charged that Western governments were intervening out of self-serving motives. «Some of them are only involved because of what they will gain from the resources of the people,» Omar al-Bashir was quoted as saying by the Associated Pres. Ghanaian authorities have banned protests until the final day of the three-day summit on Tuesday, and 2,000 police have fanned out across this West African capital. in their country. The main official agenda item for the summit is an ideafirst proposed four decades ago: a united Africa.--SPA www.spa.gov.sa/463825