1. Policemen shot five contactors dead
2. Crazed gunmen shot five contactors dead
3. Five armed thugs shot dead:
BBC NEWS | Americas | 'Five shot dead' in New Orleans:
"New Orleans Deputy Police Chief WJ Riley said the shooting took place while 14 contractors were crossing the Danziger Bridge under police escort.
The contractors came under fire from a group of armed thugs and police officers shot back, killing at least five of them.
None of the contractors was killed."