THE M23 rebel group has declared a unilateral ceasefire after several days of clashes with the army in eastern Democratic Republic of Congo (DRC), its spokesman said in a statement. The group said it was seeking dialogue with the government and that it had withdrawn its troops from the combat zone in order to avoid new confrontations with the Congolese army. DRC's army spokesman and government spokesman could not be reached immediately for comment. Heavy fighting broke out on Monday after the M23 attacked two Congolese army positions near the borders with Uganda and Rwanda and advanced on nearby towns,…