AN estimated 30 people died on Sunday when Somalia's Islamist al Shabaab group launched an attack in a town in the country's semi-autonomous state of Galmudug, a security official said. The insurgents used car bombs in the assault on a military base in Galmudug's Wisil town, located in central Somalia, triggering a fight with government troops and armed locals, Major Mohamed Awale, a military officer in Galmudug told Reuters. "They attacked the base with two car bombs and fierce fighting that lasted over an hour followed," he said. "The car bombs damaged the military vehicles...residents were well armed and reinforced…