manhunt is under way for fugitive suspect salah abdeslam. he's the man who stop -- was stopped by police after the attacks but was let go. earlier today, a french street cleaner found what appeared to be an explosive vest, similar to the one used in the november 13th attack. authorities now trying to figure out whether it belonged to this man, who is suspected of slipping across the french border into belgium. it was there that 21 people were rounded up in terror raids. most have been released, but four suspects have been arrested and charged with terror-related offenses in recent days. meantime, the belgian capital remains locked down virtually. the schools, subways closed over what is being described as a serious and imminent threat to the city. we have a huge show for you tonight, complete with the latest on this worldwide travel warning for americans. plus, we'll look into how safe we are here at home. the politics of the war on