Mideast Syria

In this Sunday, April 15, 2012 photo, Syrians walk between destroyed buildings in the Inshaat neighborhood of Homs, Syria. U.N. Secretary-General Ban Ki-moon said Monday, April 16, 2012 that the Syrian government is responsible for guaranteeing U.N. observers full freedom of movement to monitor the country's tenuous cease-fire, which appeared to be unraveling as regime forces pounded the opposition stronghold of Homs, activists said. (AP Photo)