GOMA, Congo, Aug 30 (Reuters) - Thousands of civilians fled heavy fighting in Democratic Republic of Congo's troubled North Kivu province after clashes erupted before dawn on Thursday between government forces and renegade soldiers. Some 1,000 fighters loyal to rebel Tutsi General Laurent Nkunda attacked a Congolese army brigade headquarters in Katale, around 60 km (38 miles) northwest of the provincial capital Goma, at around 4 a.m. (0200 GMT), witnesses said. Exchanges of machine gun and heavy weapons fire continued for more than six hours.
