happening now, the breaking news we're watching growing concerns about the potential fallout or blowback from the u.s. military strike against targets in syria. plus, bashar al assad's younger brother often by his side always in the shadows. and syria's wounded, some of them now being treated in israel's hospitals. we want to welcome our viewers in the united states and around the world. i'm wolf blitzer. this is "the situation room" special report, "crisis in syria." a u.s. navy amphibious ship with 300 marines on board now in the eastern mediterranean. the u.s.s. san antonio was on a routine deployment but will remain in the eastern mediterranean for what a defense official calls prudent planning in case of a strike on syria. meantime, there are growing concerns about the fallout or the blowback, shall we say, from a u.s. strike. our senior international correspondent nick paton walsh is over at the united nations.