In Pibor County located in the Jonglei State, in December 2011 and January 2012, cattle raids led to border clashes that eventually resulted in widespread ethnic violence, with thousands of deaths and tens of thousands of South Sudanese being displaced, and hundreds of Médecins Sans Frontières staff went missing. The government declared the area a disaster zone and took control from local authorities. South Sudan has a very high rate of child marriage. Violence against women is common in the country, and South Sudan's laws and policies have been criticized as inadequate in offering protection.