The Transitional Federal Government (TFG), supported by the African Union Mission in Somalia (AMISOM), lost control of further territory to opposition groups in Somalia in 2010, with bitter fighting imposing a significant toll on civilians, especially during an upsurge of attacks in August and September. Al-Shabaab and Hizbul Islam, the militant Islamist groups that spearhead the opposition, consolidated control over much of south-central Somalia, where the population experienced relative stability but also increasingly harsh and intolerant repression, in the name of Sharia law. A humanitarian crisis exists across the country. Humanitarian agencies have limited access due to ongoing insecurity, and armed opposition groups threatened humanitarian workers, journalists, and civil society activists with attack.