Washington reviewing claims that money is being diverted to militant group . The U.S. has been accused of using the program as a cover for covert operations in Pakistan and Afghanistan. The U.S. government , concerned about the challenges in delivering assistance in a country wracked by civil war , says allegations that Al-Shabaab is stopping aid from reaching the people are under review . Millions could run out of food in the next few weeks , U.N. says .
Washington reviewing claims that money is being diverted to militant group . The U.S. has been accused of using the program as a cover for covert operations in Pakistan and Afghanistan. Millions could run out of food in the next few weeks , U.N. says .