MOGADISHU, Rabi Al-Awwal 21, 1432 H/Feb 24, 2011, SPA -- Somalia, working with neighboring allied nations, has launched a coordinated offensive against al-Qaida-linked militants that has seen fighting in the capital and two border towns involving Ethiopian tanks, officials said Thursday. Kenyan troops were deployed to a border crossing, AP reported. Dozens have died in the push this week against the al-Shabab insurgent movement by 8,000 African Union peacekeepers and thousands more Somali forces in the capital whose training and upkeep have been financed by the United States and the European Union. In the capital Mogadishu, at least 39 civilians have been killed and more than 120 wounded in four days of fighting, said Ali Muse, the chief of Mogadishu's ambulance service. Heavy fighting broke out last weekend after AU troops discovered a trench used by al-Shabab _ Somalia's most dangerous militant group _ to move supplies and fighters. Somalia's defense minister announced a new offensive Wednesday. Prime Minister Mohamed Abdullahi Mohamed said 17,000 African Union and Somali troops will fight until al-Shabab's hold on Mogadishu is severed. «Today's attack was the beginning of an anti al-Shabab offensive across Somalia,» Defense Minister Abdihakim Haji Fiqi said. «The enemy suffered a great deal of casualties and we shall continue the fighting until we re-liberate Somalia.» The Islamist militants fought back. On Wednesday they paraded the bodies of five African Union peacekeepers. They also claimed they captured an AU soldier from Burundi. Still, AU and Somali troops were able to capture the former Somalia ministry of defense building, which had been serving as the militants' base. «This is the first time we are taking this building from them. It has been serving as the logistical and planning site for them for a long time,» said Maj. Barigye Bahoku, the spokesman of African Union troops. He said peacekeepers have been killed and wounded but declined to give figures. Al-Shabab includes militant veterans of the Afghanistan and Iraq conflicts who have trained Somalis in tactics like suicide bombs and sniper fire. The group carried out a double suicide bombing in Uganda in July that killed 76 people. A Nairobi-based diplomat said reports indicated that up to 10 African Union troops were killed and dozens were wounded in Wednesday's fighting. The diplomat said he could not be quoted by name because his organization does not allow it. Militias allied with the government failed to make many inroads in two Ethiopian-backed offensives in the country's west. In Belet Weyne near the Ethiopian border residents said pro-government forces backed by Ethiopian troops and tanks fought al-Shabab militants for two days. The fighting started Tuesday night when the militants launched a surprise attack on a pro-government force in Jawil village, said Tawane Abdi, a resident. But pro-government forces backed by Ethiopian tanks fought back, he said. The casualties were not known. In Belet Hawo, a Somalia-Kenya border town, fighting erupted Wednesday morning when pro-government forces attacked al-Shabab positions. Al-Shabab on Thursday displayed the bodies of eight men they said were the attackers, said resident Ahmed Abdullahi. The militants also publicly slit the throat of a man, he said. The heavy exchanges of artillery shelling and mortars set fire to about 20 houses and sent hundreds of people across the border to Kenya, said Abdullahi. On the Kenyan town of Mandera about 300 Somalis sought refuge, said Emmanuel Nyabera, a spokesman for the U.N.'s refugee agency. -- SPA 18:11 LOCAL TIME 15:11 GMT www.spa.gov.sa/867825