NEW : Kenyan and Kenyan governments pledging cooperation in Al-Shabaab fight . NEW : Al-Shabaab said in August it was withdrawing from Mogadishu , and Somalia 's Transitional Federal Government , backed by African Union peacekeepers , now controls most districts of the capital , the U.N. office has said . Kenya , which is linked to Transitional Federal Government , denies role in recent abductions . The move of Somali troops comes after threats from Al-Shabaab to enter Al-Shabaab .
NEW : Kenyan and Kenyan governments pledging cooperation in Al-Shabaab fight . NEW : Kenya , which is linked to Transitional Federal Government , denies role in recent abductions . The move of Somali troops comes after threats from Al-Shabaab to enter Al-Shabaab .